173624391

素因数分解:

$3^4\times {\mathrm{647}}^1\times {\mathrm{3313}}^1$

素因数の和:3972

約数の個数: 20

約数和(自身を含む): 259844112

約数和(自身を除く): 86219721

約数列:

[1, 3, 9, 27, 81, 647, 1941, 3313, 5823, 9939, 17469, 29817, 52407, 89451, 268353, 2143511, 6430533, 19291599, 57874797, 173624391]

約数ペア:

[(1, 173624391), (3, 57874797), (9, 19291599), (27, 6430533), (81, 2143511), (647, 268353), (1941, 89451), (3313, 52407), (5823, 29817), (9939, 17469)]