12135775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{881}}^1$

素因数の和:939

約数の個数: 24

約数和(自身を含む): 16405200

約数和(自身を除く): 4269425

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 881, 2755, 4405, 13775, 16739, 22025, 25549, 83695, 127745, 418475, 485431, 638725, 2427155, 12135775]

約数ペア:

[(1, 12135775), (5, 2427155), (19, 638725), (25, 485431), (29, 418475), (95, 127745), (145, 83695), (475, 25549), (551, 22025), (725, 16739), (881, 13775), (2755, 4405)]