28218699

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{3083}}^1$

素因数の和:3208

約数の個数: 20

約数和(自身を含む): 42540696

約数和(自身を除く): 14321997

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 3051, 3083, 9153, 9249, 27747, 83241, 249723, 348379, 1045137, 3135411, 9406233, 28218699]

約数ペア:

[(1, 28218699), (3, 9406233), (9, 3135411), (27, 1045137), (81, 348379), (113, 249723), (339, 83241), (1017, 27747), (3051, 9249), (3083, 9153)]