258048009

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{403831}}^1$

素因数の和:403908

約数の個数: 12

約数和(自身を含む): 377986752

約数和(自身を除く): 119938743

約数列:

[1, 3, 9, 71, 213, 639, 403831, 1211493, 3634479, 28672001, 86016003, 258048009]

約数ペア:

[(1, 258048009), (3, 86016003), (9, 28672001), (71, 3634479), (213, 1211493), (639, 403831)]