258291207

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{180497}}^1$

素因数の和:180559

約数の個数: 16

約数和(自身を含む): 389875680

約数和(自身を除く): 131584473

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 180497, 541491, 1624473, 4873419, 9566341, 28699023, 86097069, 258291207]

約数ペア:

[(1, 258291207), (3, 86097069), (9, 28699023), (27, 9566341), (53, 4873419), (159, 1624473), (477, 541491), (1431, 180497)]