31920427

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{10111}}^1$

素因数の和:10170

約数の個数: 16

約数和(自身を含む): 40771584

約数和(自身を除く): 8851157

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 10111, 70777, 111221, 414551, 778547, 2901857, 4560061, 31920427]

約数ペア:

[(1, 31920427), (7, 4560061), (11, 2901857), (41, 778547), (77, 414551), (287, 111221), (451, 70777), (3157, 10111)]