13580991

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1847}}^1$

素因数の和:1915

約数の個数: 24

約数和(自身を含む): 21141120

約数和(自身を除く): 7560129

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 1847, 2451, 5541, 7353, 16623, 35093, 79421, 105279, 238263, 315837, 714789, 1508999, 4526997, 13580991]

約数ペア:

[(1, 13580991), (3, 4526997), (9, 1508999), (19, 714789), (43, 315837), (57, 238263), (129, 105279), (171, 79421), (387, 35093), (817, 16623), (1847, 7353), (2451, 5541)]