78906561

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1\times {\mathrm{857}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 107737344

約数和(自身を除く): 28830783

約数列:

[1, 3, 47, 141, 653, 857, 1959, 2571, 30691, 40279, 92073, 120837, 559621, 1678863, 26302187, 78906561]

約数ペア:

[(1, 78906561), (3, 26302187), (47, 1678863), (141, 559621), (653, 120837), (857, 92073), (1959, 40279), (2571, 30691)]