28868967

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{11497}}^1$

素因数の和:11540

約数の個数: 20

約数和(自身を含む): 44520256

約数和(自身を除く): 15651289

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 11497, 34491, 103473, 310419, 356407, 931257, 1069221, 3207663, 9622989, 28868967]

約数ペア:

[(1, 28868967), (3, 9622989), (9, 3207663), (27, 1069221), (31, 931257), (81, 356407), (93, 310419), (279, 103473), (837, 34491), (2511, 11497)]