868571289

素因数分解:

$3^3\times {\mathrm{397}}^1\times {\mathrm{81031}}^1$

素因数の和:81437

約数の個数: 16

約数和(自身を含む): 1290029440

約数和(自身を除く): 421458151

約数列:

[1, 3, 9, 27, 397, 1191, 3573, 10719, 81031, 243093, 729279, 2187837, 32169307, 96507921, 289523763, 868571289]

約数ペア:

[(1, 868571289), (3, 289523763), (9, 96507921), (27, 32169307), (397, 2187837), (1191, 729279), (3573, 243093), (10719, 81031)]