28665333

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{1559}}^1$

素因数の和:1798

約数の個数: 20

約数和(自身を含む): 43037280

約数和(自身を除く): 14371947

約数列:

[1, 3, 9, 27, 81, 227, 681, 1559, 2043, 4677, 6129, 14031, 18387, 42093, 126279, 353893, 1061679, 3185037, 9555111, 28665333]

約数ペア:

[(1, 28665333), (3, 9555111), (9, 3185037), (27, 1061679), (81, 353893), (227, 126279), (681, 42093), (1559, 18387), (2043, 14031), (4677, 6129)]