30857975

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{4271}}^1$

素因数の和:4315

約数の個数: 18

約数和(自身を含む): 40656624

約数和(自身を除く): 9798649

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 4271, 7225, 21355, 72607, 106775, 363035, 1234319, 1815175, 6171595, 30857975]

約数ペア:

[(1, 30857975), (5, 6171595), (17, 1815175), (25, 1234319), (85, 363035), (289, 106775), (425, 72607), (1445, 21355), (4271, 7225)]