28106631

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4093}}^1$

素因数の和:4215

約数の個数: 24

約数和(自身を含む): 46835360

約数和(自身を除く): 18728729

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 4093, 6867, 12279, 28651, 36837, 85953, 257859, 446137, 1338411, 3122959, 4015233, 9368877, 28106631]

約数ペア:

[(1, 28106631), (3, 9368877), (7, 4015233), (9, 3122959), (21, 1338411), (63, 446137), (109, 257859), (327, 85953), (763, 36837), (981, 28651), (2289, 12279), (4093, 6867)]