680475

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 1156672

約数和(自身を除く): 476197

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 211, 215, 633, 645, 1055, 1075, 3165, 3225, 5275, 9073, 15825, 27219, 45365, 136095, 226825, 680475]

約数ペア:

[(1, 680475), (3, 226825), (5, 136095), (15, 45365), (25, 27219), (43, 15825), (75, 9073), (129, 5275), (211, 3225), (215, 3165), (633, 1075), (645, 1055)]