39897279

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{15889}}^1$

素因数の和:15932

約数の個数: 20

約数和(自身を含む): 61526080

約数和(自身を除く): 21628801

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 15889, 47667, 143001, 429003, 492559, 1287009, 1477677, 4433031, 13299093, 39897279]

約数ペア:

[(1, 39897279), (3, 13299093), (9, 4433031), (27, 1477677), (31, 1287009), (81, 492559), (93, 429003), (279, 143001), (837, 47667), (2511, 15889)]