152640981

素因数分解:

$3^2\times {\mathrm{331}}^1\times {\mathrm{51239}}^1$

素因数の和:51576

約数の個数: 12

約数和(自身を含む): 221151840

約数和(自身を除く): 68510859

約数列:

[1, 3, 9, 331, 993, 2979, 51239, 153717, 461151, 16960109, 50880327, 152640981]

約数ペア:

[(1, 152640981), (3, 50880327), (9, 16960109), (331, 461151), (993, 153717), (2979, 51239)]