81263331

素因数分解:

$3^5\times {\mathrm{137}}^1\times {\mathrm{2441}}^1$

素因数の和:2593

約数の個数: 24

約数和(自身を含む): 122666544

約数和(自身を除く): 41403213

約数列:

[1, 3, 9, 27, 81, 137, 243, 411, 1233, 2441, 3699, 7323, 11097, 21969, 33291, 65907, 197721, 334417, 593163, 1003251, 3009753, 9029259, 27087777, 81263331]

約数ペア:

[(1, 81263331), (3, 27087777), (9, 9029259), (27, 3009753), (81, 1003251), (137, 593163), (243, 334417), (411, 197721), (1233, 65907), (2441, 33291), (3699, 21969), (7323, 11097)]