#include "bits/stdc++.h" #define REP(i,n,N) for(int i=(n); i<(N); i++) #define RREP(i,n,N) for(int i=(N-1); i>=n; i--) #define CK(n,a,b) ((a)<=(n)&&(n)<(b)) #define ALL(v) (v).begin(),(v).end() #define p(s) cout<<(s)<> typedef long long ll; using namespace std; const ll inf=1e18+7; ll N; int main() { cin>>N; ll T_max = N-1; ll T_min = N-1; vector vt; for(ll i=1;i*i<=N;i++){ if(N%i==0) vt.push_back(i); } for(auto v1:vt){ for(auto v2:vt){ if(N%(v1*v2)==0){ ll v3 = N/(v1*v2); T_min = min (T_min, v1+v2+v3-3); } } } p2(T_min,T_max); return 0; }