172815981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{66137}}^1$

素因数の和:66220

約数の個数: 16

約数和(自身を含む): 251853504

約数和(自身を除く): 79037523

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 66137, 198411, 859781, 2579343, 4431179, 13293537, 57605327, 172815981]

約数ペア:

[(1, 172815981), (3, 57605327), (13, 13293537), (39, 4431179), (67, 2579343), (201, 859781), (871, 198411), (2613, 66137)]