305428809

素因数分解:

$3^1\times 7^4\times {\mathrm{42403}}^1$

素因数の和:42434

約数の個数: 20

約数和(自身を含む): 475094416

約数和(自身を除く): 169665607

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 42403, 127209, 296821, 890463, 2077747, 6233241, 14544229, 43632687, 101809603, 305428809]

約数ペア:

[(1, 305428809), (3, 101809603), (7, 43632687), (21, 14544229), (49, 6233241), (147, 2077747), (343, 890463), (1029, 296821), (2401, 127209), (7203, 42403)]