681569289

素因数分解:

$3^3\times {\mathrm{131}}^1\times {\mathrm{192697}}^1$

素因数の和:192837

約数の個数: 16

約数和(自身を含む): 1017445440

約数和(自身を除く): 335876151

約数列:

[1, 3, 9, 27, 131, 393, 1179, 3537, 192697, 578091, 1734273, 5202819, 25243307, 75729921, 227189763, 681569289]

約数ペア:

[(1, 681569289), (3, 227189763), (9, 75729921), (27, 25243307), (131, 5202819), (393, 1734273), (1179, 578091), (3537, 192697)]