161740521

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{945851}}^1$

素因数の和:945876

約数の個数: 12

約数和(自身を含む): 245921520

約数和(自身を除く): 84180999

約数列:

[1, 3, 9, 19, 57, 171, 945851, 2837553, 8512659, 17971169, 53913507, 161740521]

約数ペア:

[(1, 161740521), (3, 53913507), (9, 17971169), (19, 8512659), (57, 2837553), (171, 945851)]