81002945

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{4019}}^1$

素因数の和:4192

約数の個数: 16

約数和(自身を含む): 101304000

約数和(自身を除く): 20301055

約数列:

[1, 5, 29, 139, 145, 695, 4019, 4031, 20095, 20155, 116551, 558641, 582755, 2793205, 16200589, 81002945]

約数ペア:

[(1, 81002945), (5, 16200589), (29, 2793205), (139, 582755), (145, 558641), (695, 116551), (4019, 20155), (4031, 20095)]