87534531

素因数分解:

$3^2\times 7^2\times {\mathrm{198491}}^1$

素因数の和:198511

約数の個数: 18

約数和(自身を含む): 147082572

約数和(自身を除く): 59548041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 198491, 595473, 1389437, 1786419, 4168311, 9726059, 12504933, 29178177, 87534531]

約数ペア:

[(1, 87534531), (3, 29178177), (7, 12504933), (9, 9726059), (21, 4168311), (49, 1786419), (63, 1389437), (147, 595473), (441, 198491)]