#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000005
#define Inf64 1000000000000000001LL
bool ok(long long n,int b){
	long long ok = 1,ng = n+1;
	while(ng-ok>1LL){
		long long mid = (ok+ng)/2;
		__int128 cur = 1;
		rep(_,b){
			cur *= mid;
			if(cur > n)break;
		}
		if(cur <= n)ok = mid;
		else ng= mid;
	}
	__int128 cur = 1;
	rep(_,b){
		cur *= ok;
	}
	return cur == n;
}
int main(){
	
	int _t;
	cin>>_t;
	rep(_,_t){
		long long n;
		cin>>n;
		for(long long i=40;i>=1;i--){
			if(ok(n,i)){
				cout<<i<<endl;
				break;
			}
		}
		
	}
}