255849531

素因数分解:

$3^1\times 7^3\times {\mathrm{248639}}^1$

素因数の和:248663

約数の個数: 16

約数和(自身を含む): 397824000

約数和(自身を除く): 141974469

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 248639, 745917, 1740473, 5221419, 12183311, 36549933, 85283177, 255849531]

約数ペア:

[(1, 255849531), (3, 85283177), (7, 36549933), (21, 12183311), (49, 5221419), (147, 1740473), (343, 745917), (1029, 248639)]