161303409

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{252431}}^1$

素因数の和:252508

約数の個数: 12

約数和(自身を含む): 236276352

約数和(自身を除く): 74972943

約数列:

[1, 3, 9, 71, 213, 639, 252431, 757293, 2271879, 17922601, 53767803, 161303409]

約数ペア:

[(1, 161303409), (3, 53767803), (9, 17922601), (71, 2271879), (213, 757293), (639, 252431)]