17980476417

素因数分解:

$3^3\times {\mathrm{665943571}}^1$

素因数の和:665943580

約数の個数: 8

約数和(自身を含む): 26637742880

約数和(自身を除く): 8657266463

約数列:

[1, 3, 9, 27, 665943571, 1997830713, 5993492139, 17980476417]

約数ペア:

[(1, 17980476417), (3, 5993492139), (9, 1997830713), (27, 665943571)]