388914903

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{20393}}^1$

素因数の和:20575

約数の個数: 24

約数和(自身を含む): 608720112

約数和(自身を除く): 219805209

約数列:

[1, 3, 9, 13, 39, 117, 163, 489, 1467, 2119, 6357, 19071, 20393, 61179, 183537, 265109, 795327, 2385981, 3324059, 9972177, 29916531, 43212767, 129638301, 388914903]

約数ペア:

[(1, 388914903), (3, 129638301), (9, 43212767), (13, 29916531), (39, 9972177), (117, 3324059), (163, 2385981), (489, 795327), (1467, 265109), (2119, 183537), (6357, 61179), (19071, 20393)]