30940217

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 39644640

約数和(自身を除く): 8704423

約数列:

[1, 7, 11, 49, 77, 137, 419, 539, 959, 1507, 2933, 4609, 6713, 10549, 20531, 32263, 57403, 73843, 225841, 401821, 631433, 2812747, 4420031, 30940217]

約数ペア:

[(1, 30940217), (7, 4420031), (11, 2812747), (49, 631433), (77, 401821), (137, 225841), (419, 73843), (539, 57403), (959, 32263), (1507, 20531), (2933, 10549), (4609, 6713)]