81818359

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{3067}}^1$

素因数の和:3214

約数の個数: 16

約数和(自身を含む): 96997888

約数和(自身を除く): 15179529

約数列:

[1, 7, 37, 103, 259, 721, 3067, 3811, 21469, 26677, 113479, 315901, 794353, 2211307, 11688337, 81818359]

約数ペア:

[(1, 81818359), (7, 11688337), (37, 2211307), (103, 794353), (259, 315901), (721, 113479), (3067, 26677), (3811, 21469)]