12764385

素因数分解:

$3^4\times 5^1\times {\mathrm{31517}}^1$

素因数の和:31534

約数の個数: 20

約数和(自身を含む): 22882068

約数和(自身を除く): 10117683

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31517, 94551, 157585, 283653, 472755, 850959, 1418265, 2552877, 4254795, 12764385]

約数ペア:

[(1, 12764385), (3, 4254795), (5, 2552877), (9, 1418265), (15, 850959), (27, 472755), (45, 283653), (81, 157585), (135, 94551), (405, 31517)]