161970507

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{8147}}^1$

素因数の和:8247

約数の個数: 18

約数和(自身を含む): 239070468

約数和(自身を除く): 77099961

約数列:

[1, 3, 9, 47, 141, 423, 2209, 6627, 8147, 19881, 24441, 73323, 382909, 1148727, 3446181, 17996723, 53990169, 161970507]

約数ペア:

[(1, 161970507), (3, 53990169), (9, 17996723), (47, 3446181), (141, 1148727), (423, 382909), (2209, 73323), (6627, 24441), (8147, 19881)]