from collections import defaultdict # https://qiita.com/Kiri8128/items/eca965fe86ea5f4cbb98 # このコードバグってるのかよ…… def gcd(a, b): while b: a, b = b, a % b return a def isPrimeMR(n): d = n - 1 d = d // (d & -d) L = [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43] for a in L: t = d y = pow(a, t, n) if y == 1: continue while y != n - 1: y = (y * y) % n if y == 1 or t == n - 1: return 0 t <<= 1 return 1 def findFactorRho(n): m = 1 << n.bit_length() // 8 for c in range(1, 99): f = lambda x: (x * x + c) % n y, r, q, g = 2, 1, 1, 1 while g == 1: x = y for i in range(r): y = f(y) k = 0 while k < r and g == 1: ys = y for i in range(min(m, r - k)): y = f(y) q = q * abs(x - y) % n g = gcd(q, n) k += m r <<= 1 if g == n: g = 1 while g == 1: ys = f(ys) g = gcd(abs(x - ys), n) if g < n: if isPrimeMR(g): return g elif isPrimeMR(n // g): return n // g return findFactorRho(g) def primeFactor(n): i = 2 ret = {} rhoFlg = 0 while i*i <= n: k = 0 while n % i == 0: n //= i k += 1 if k: ret[i] = k i += 1 + i % 2 if i == 101 and n >= 2 ** 20: while n > 1: if isPrimeMR(n): ret[n], n = 1, 1 else: rhoFlg = 1 j = findFactorRho(n) k = 0 while n % j == 0: n //= j k += 1 ret[j] = k if n > 1: ret[n] = 1 if rhoFlg: ret = {x: ret[x] for x in sorted(ret)} return ret n=int(input()) # e =1 # (r-l)(r+l+1) = 2n pf=list(primeFactor(12*n).items()) d=[] def dfs(i,x): if i == len(pf): d.append(x) return for j in range(pf[i][1] + 1): dfs(i+1,x) if j == pf[i][1]:break x *= pf[i][0] dfs(0,1) ans=[] # e = 1 for x in d: if x % 6 != 0:continue x //= 6 y = 2*n//x x -= 1 if (x+y)%2 != 0: continue r = (x+y)//2 l = (x-y)//2 if l >= r: continue if 1 <= l + 1: ans.append((1,l+1,r)) # e = 2 for s in d: if s % 2 != 0: continue s //= 2 a = 6*n // s a -= 2*s*s a -= 1 # a = s*(6*l+3) + 6*l*(l+1) if a < 0: continue # s*(6*t+3) + 6*t*(t+1) <= a ? lb = 0 # ok ub = 10 ** 12 + 1 # ng while ub - lb > 1: t = (ub + lb) // 2 if s*(6*t+3) + 6*t*(t+1) <= a: lb = t else: ub = t if s*(6*lb+3) + 6*lb*(lb+1) == a: l = lb r = lb + s ans.append((2, l+1, r)) # e = 3 for s in d: if s % 3 != 0: continue s //= 3 a = 4*n // s lb = 0 # ok ub = 10 ** 8 + 1 # ng while ub - lb > 1: t = (ub + lb) // 2 v = t+s if (t+v+1)*(t*t+t+v*v+v) <= a: lb = t else: ub = t l = lb r = lb + s if (l+r+1)*(l*l+l+r*r+r) == a: ans.append((3, l+1, r)) for e in range(4,10**9): if 2**e > n: break r=[0] for i in range(10**9): if (i+1)**e>n:break r.append((i+1)**e) r[-1] += r[-2] s = defaultdict(int) for i in range(len(r)): s[r[i]] = i for i in range(len(r)): if r[i]+n in s: ans.append((e,i+1,s[r[i]+n])) ans.sort() print(len(ans)) for e,l,r in ans: print(e,l,r)