156987170253

素因数分解:

$3^4\times {\mathrm{857}}^1\times {\mathrm{2261509}}^1$

素因数の和:2262378

約数の個数: 20

約数和(自身を含む): 234785445180

約数和(自身を除く): 77798274927

約数列:

[1, 3, 9, 27, 81, 857, 2571, 7713, 23139, 69417, 2261509, 6784527, 20353581, 61060743, 183182229, 1938113213, 5814339639, 17443018917, 52329056751, 156987170253]

約数ペア:

[(1, 156987170253), (3, 52329056751), (9, 17443018917), (27, 5814339639), (81, 1938113213), (857, 183182229), (2571, 61060743), (7713, 20353581), (23139, 6784527), (69417, 2261509)]