31980669

素因数分解:

$3^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{1777}}^1$

素因数の和:2644

約数の個数: 16

約数和(自身を含む): 48816768

約数和(自身を除く): 16836099

約数列:

[1, 3, 7, 21, 857, 1777, 2571, 5331, 5999, 12439, 17997, 37317, 1522889, 4568667, 10660223, 31980669]

約数ペア:

[(1, 31980669), (3, 10660223), (7, 4568667), (21, 1522889), (857, 37317), (1777, 17997), (2571, 12439), (5331, 5999)]