128216715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{777071}}^1$

素因数の和:777090

約数の個数: 16

約数和(自身を含む): 223796736

約数和(自身を除く): 95580021

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 777071, 2331213, 3885355, 8547781, 11656065, 25643343, 42738905, 128216715]

約数ペア:

[(1, 128216715), (3, 42738905), (5, 25643343), (11, 11656065), (15, 8547781), (33, 3885355), (55, 2331213), (165, 777071)]