28704699

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{911}}^1$

素因数の和:1312

約数の個数: 20

約数和(自身を含む): 43037280

約数和(自身を除く): 14332581

約数列:

[1, 3, 9, 27, 81, 389, 911, 1167, 2733, 3501, 8199, 10503, 24597, 31509, 73791, 354379, 1063137, 3189411, 9568233, 28704699]

約数ペア:

[(1, 28704699), (3, 9568233), (9, 3189411), (27, 1063137), (81, 354379), (389, 73791), (911, 31509), (1167, 24597), (2733, 10503), (3501, 8199)]