import math

def div(n):
  d = {}
  temp = int(math.sqrt(n))+1
  for i in range(2, temp):
    while n%i== 0:
      n //= i
      if i in d:
        d[i] += 1
      else:
        d[i] = 1
  if d == {}:
    d[n] = 1
  else:
    if n in d:
      d[n] += 1
    elif n != 1:
      d[n] = 1
  return d

n = int(input())
d = div(n)
ans = 1
for k, v in d.items():
    temp = 0
    for i in range(v+1):
        temp += k**i
    ans *= temp
print(ans)