81455717

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{14243}}^1$

素因数の和:14312

約数の個数: 16

約数和(自身を含む): 100277760

約数和(自身を除く): 18822043

約数列:

[1, 7, 19, 43, 133, 301, 817, 5719, 14243, 99701, 270617, 612449, 1894319, 4287143, 11636531, 81455717]

約数ペア:

[(1, 81455717), (7, 11636531), (19, 4287143), (43, 1894319), (133, 612449), (301, 270617), (817, 99701), (5719, 14243)]