289705671

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{7699}}^1$

素因数の和:7855

約数の個数: 24

約数和(自身を含む): 433633200

約数和(自身を除く): 143927529

約数列:

[1, 3, 9, 37, 111, 113, 333, 339, 1017, 4181, 7699, 12543, 23097, 37629, 69291, 284863, 854589, 869987, 2563767, 2609961, 7829883, 32189519, 96568557, 289705671]

約数ペア:

[(1, 289705671), (3, 96568557), (9, 32189519), (37, 7829883), (111, 2609961), (113, 2563767), (333, 869987), (339, 854589), (1017, 284863), (4181, 69291), (7699, 37629), (12543, 23097)]