81631543

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{3391}}^1$

素因数の和:3598

約数の個数: 16

約数和(自身を含む): 98775040

約数和(自身を除く): 17143497

約数列:

[1, 7, 19, 133, 181, 1267, 3391, 3439, 23737, 24073, 64429, 451003, 613771, 4296397, 11661649, 81631543]

約数ペア:

[(1, 81631543), (7, 11661649), (19, 4296397), (133, 613771), (181, 451003), (1267, 64429), (3391, 24073), (3439, 23737)]