17911449

素因数分解:

$3^4\times {\mathrm{397}}^1\times {\mathrm{557}}^1$

素因数の和:966

約数の個数: 20

約数和(自身を含む): 26872164

約数和(自身を除く): 8960715

約数列:

[1, 3, 9, 27, 81, 397, 557, 1191, 1671, 3573, 5013, 10719, 15039, 32157, 45117, 221129, 663387, 1990161, 5970483, 17911449]

約数ペア:

[(1, 17911449), (3, 5970483), (9, 1990161), (27, 663387), (81, 221129), (397, 45117), (557, 32157), (1191, 15039), (1671, 10719), (3573, 5013)]