161321991

素因数分解:

$3^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1\times {\mathrm{823}}^1$

素因数の和:1342

約数の個数: 16

約数和(自身を含む): 217061376

約数和(自身を除く): 55739385

約数列:

[1, 3, 223, 293, 669, 823, 879, 2469, 65339, 183529, 196017, 241139, 550587, 723417, 53773997, 161321991]

約数ペア:

[(1, 161321991), (3, 53773997), (223, 723417), (293, 550587), (669, 241139), (823, 196017), (879, 183529), (2469, 65339)]