217412865

素因数分解:

$3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{15241}}^1$

素因数の和:15569

約数の個数: 24

約数和(自身を含む): 378062568

約数和(自身を除く): 160649703

約数列:

[1, 3, 5, 9, 15, 45, 317, 951, 1585, 2853, 4755, 14265, 15241, 45723, 76205, 137169, 228615, 685845, 4831397, 14494191, 24156985, 43482573, 72470955, 217412865]

約数ペア:

[(1, 217412865), (3, 72470955), (5, 43482573), (9, 24156985), (15, 14494191), (45, 4831397), (317, 685845), (951, 228615), (1585, 137169), (2853, 76205), (4755, 45723), (14265, 15241)]