2431521

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 3688256

約数和(自身を除く): 1256735

約数列:

[1, 3, 9, 43, 61, 103, 129, 183, 309, 387, 549, 927, 2623, 4429, 6283, 7869, 13287, 18849, 23607, 39861, 56547, 270169, 810507, 2431521]

約数ペア:

[(1, 2431521), (3, 810507), (9, 270169), (43, 56547), (61, 39861), (103, 23607), (129, 18849), (183, 13287), (309, 7869), (387, 6283), (549, 4429), (927, 2623)]