81758439

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41863}}^1$

素因数の和:41907

約数の個数: 24

約数和(自身を含む): 139323392

約数和(自身を除く): 57564953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 41863, 125589, 293041, 376767, 879123, 1297753, 2637369, 3893259, 9084271, 11679777, 27252813, 81758439]

約数ペア:

[(1, 81758439), (3, 27252813), (7, 11679777), (9, 9084271), (21, 3893259), (31, 2637369), (63, 1297753), (93, 879123), (217, 376767), (279, 293041), (651, 125589), (1953, 41863)]