81387927

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{599}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 121804800

約数和(自身を除く): 40416873

約数列:

[1, 3, 9, 31, 93, 279, 487, 599, 1461, 1797, 4383, 5391, 15097, 18569, 45291, 55707, 135873, 167121, 291713, 875139, 2625417, 9043103, 27129309, 81387927]

約数ペア:

[(1, 81387927), (3, 27129309), (9, 9043103), (31, 2625417), (93, 875139), (279, 291713), (487, 167121), (599, 135873), (1461, 55707), (1797, 45291), (4383, 18569), (5391, 15097)]