40320891

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1373}}^1$

素因数の和:1643

約数の個数: 24

約数和(自身を含む): 63017136

約数和(自身を除く): 22696245

約数列:

[1, 3, 9, 13, 39, 117, 251, 753, 1373, 2259, 3263, 4119, 9789, 12357, 17849, 29367, 53547, 160641, 344623, 1033869, 3101607, 4480099, 13440297, 40320891]

約数ペア:

[(1, 40320891), (3, 13440297), (9, 4480099), (13, 3101607), (39, 1033869), (117, 344623), (251, 160641), (753, 53547), (1373, 29367), (2259, 17849), (3263, 12357), (4119, 9789)]