81221943

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 122072832

約数和(自身を除く): 40850889

約数列:

[1, 3, 11, 33, 41, 123, 173, 347, 451, 519, 1041, 1353, 1903, 3817, 5709, 7093, 11451, 14227, 21279, 42681, 60031, 78023, 156497, 180093, 234069, 469491, 660341, 1981023, 2461271, 7383813, 27073981, 81221943]

約数ペア:

[(1, 81221943), (3, 27073981), (11, 7383813), (33, 2461271), (41, 1981023), (123, 660341), (173, 469491), (347, 234069), (451, 180093), (519, 156497), (1041, 78023), (1353, 60031), (1903, 42681), (3817, 21279), (5709, 14227), (7093, 11451)]