81635155

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{20641}}^1$

素因数の和:20766

約数の個数: 16

約数和(自身を含む): 112953024

約数和(自身を除く): 31317869

約数列:

[1, 5, 7, 35, 113, 565, 791, 3955, 20641, 103205, 144487, 722435, 2332433, 11662165, 16327031, 81635155]

約数ペア:

[(1, 81635155), (5, 16327031), (7, 11662165), (35, 2332433), (113, 722435), (565, 144487), (791, 103205), (3955, 20641)]