#nullable enable

#region
var _input = Array.Empty<string>();
var _iter = 0;
string String()
{
    while (_iter >= _input.Length) (_input, _iter) = (Console.ReadLine()!.Split(' '), 0);
    return _input[_iter++];
}
T I<T>() where T : IParsable<T> => T.Parse(String(), null);
#endregion

T[] Range<T>(int n, Func<T> F) => Enumerable.Range(0, n).Select(_ => F()).ToArray();

static long? SafePower(long x, int p)
{
    var res = 1L;
    while (p > 0)
    {
        if ((p & 1) > 0)
        {
            if (res >= long.MaxValue / x) return null;
            res *= x;
        }
        if (x >= long.MaxValue / x) return null;
        x *= x;
        p >>= 1;
    }
    return res;
}

long Run()
{
    var n = I<long>();
    for (var i = 40; i >= 2; i--)
    {
        var pass = 0L;
        var fail = n;
        while (fail - pass > 1)
        {
            var middle = (fail + pass) >> 1;
            var next = SafePower(middle, i);
            if (next.HasValue && next.Value <= n) pass = middle;
            else fail = middle;
        }
        var k = SafePower(pass, i)!.Value;
        if (k == n) return i;
    }
    return 1;
}

string Join<T>(IEnumerable<T> values, bool ws = false) => string.Join(ws ? " " : Environment.NewLine, values);
Console.WriteLine(Join(Range(I<int>(), Run)));