17720761347

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{45790081}}^1$

素因数の和:45790130

約数の個数: 12

約数和(自身を含む): 26191926904

約数和(自身を除く): 8471165557

約数列:

[1, 3, 9, 43, 129, 387, 45790081, 137370243, 412110729, 1968973483, 5906920449, 17720761347]

約数ペア:

[(1, 17720761347), (3, 5906920449), (9, 1968973483), (43, 412110729), (129, 137370243), (387, 45790081)]