259247871

素因数分解:

$3^4\times {\mathrm{1223}}^1\times {\mathrm{2617}}^1$

素因数の和:3852

約数の個数: 20

約数和(自身を含む): 387736272

約数和(自身を除く): 128488401

約数列:

[1, 3, 9, 27, 81, 1223, 2617, 3669, 7851, 11007, 23553, 33021, 70659, 99063, 211977, 3200591, 9601773, 28805319, 86415957, 259247871]

約数ペア:

[(1, 259247871), (3, 86415957), (9, 28805319), (27, 9601773), (81, 3200591), (1223, 211977), (2617, 99063), (3669, 70659), (7851, 33021), (11007, 23553)]