28631637

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{2543}}^1$

素因数の和:2694

約数の個数: 20

約数和(自身を含む): 43095360

約数和(自身を除く): 14463723

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 2543, 3753, 7629, 11259, 22887, 68661, 205983, 353477, 1060431, 3181293, 9543879, 28631637]

約数ペア:

[(1, 28631637), (3, 9543879), (9, 3181293), (27, 1060431), (81, 353477), (139, 205983), (417, 68661), (1251, 22887), (2543, 11259), (3753, 7629)]