#include using namespace std; using ll = long long; #define all(A) A.begin(),A.end() using vll = vector; #define rep(i, n) for (long long i = 0; i < (long long)(n); i++) using Graph = vector>; ll gcd(ll(a), ll(b)) { ll c = a; while (a % b != 0) { c = a % b; a = b; b = c; } return b; } int main() { ll N; cin>>N; vll P; for(ll i=1;i*i<=N;i++){ if(N%i==0){ P.push_back(i); if(N!=i*i){ P.push_back(N/i); } } } sort(all(P)); ll m=1e18; ll M=-1e18; ll n=P.size(); rep(a,n){ rep(b,n){ ll A=P[a]; ll B=P[b]; if((N/A)%B!=0)continue; ll C=N/(A*B); m=min(A+B+C-3,m); M=max(A+B+C-3,M); } } cout<