89864475

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 155942400

約数和(自身を除く): 66077925

約数列:

[1, 3, 5, 15, 25, 29, 75, 79, 87, 145, 237, 395, 435, 523, 725, 1185, 1569, 1975, 2175, 2291, 2615, 5925, 6873, 7845, 11455, 13075, 15167, 34365, 39225, 41317, 45501, 57275, 75835, 123951, 171825, 206585, 227505, 379175, 619755, 1032925, 1137525, 1198193, 3098775, 3594579, 5990965, 17972895, 29954825, 89864475]

約数ペア:

[(1, 89864475), (3, 29954825), (5, 17972895), (15, 5990965), (25, 3594579), (29, 3098775), (75, 1198193), (79, 1137525), (87, 1032925), (145, 619755), (237, 379175), (395, 227505), (435, 206585), (523, 171825), (725, 123951), (1185, 75835), (1569, 57275), (1975, 45501), (2175, 41317), (2291, 39225), (2615, 34365), (5925, 15167), (6873, 13075), (7845, 11455)]