28931397

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{2819}}^1$

素因数の和:3144

約数の個数: 16

約数和(自身を含む): 42232320

約数和(自身を除く): 13300923

約数列:

[1, 3, 11, 33, 311, 933, 2819, 3421, 8457, 10263, 31009, 93027, 876709, 2630127, 9643799, 28931397]

約数ペア:

[(1, 28931397), (3, 9643799), (11, 2630127), (33, 876709), (311, 93027), (933, 31009), (2819, 10263), (3421, 8457)]