13721463

素因数分解:

$3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{617}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 22752288

約数和(自身を除く): 9030825

約数列:

[1, 3, 7, 9, 21, 63, 353, 617, 1059, 1851, 2471, 3177, 4319, 5553, 7413, 12957, 22239, 38871, 217801, 653403, 1524607, 1960209, 4573821, 13721463]

約数ペア:

[(1, 13721463), (3, 4573821), (7, 1960209), (9, 1524607), (21, 653403), (63, 217801), (353, 38871), (617, 22239), (1059, 12957), (1851, 7413), (2471, 5553), (3177, 4319)]