81136227

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 115568640

約数和(自身を除く): 34432413

約数列:

[1, 3, 37, 43, 89, 111, 129, 191, 267, 573, 1591, 3293, 3827, 4773, 7067, 8213, 9879, 11481, 16999, 21201, 24639, 50997, 141599, 303881, 424797, 628963, 730957, 911643, 1886889, 2192871, 27045409, 81136227]

約数ペア:

[(1, 81136227), (3, 27045409), (37, 2192871), (43, 1886889), (89, 911643), (111, 730957), (129, 628963), (191, 424797), (267, 303881), (573, 141599), (1591, 50997), (3293, 24639), (3827, 21201), (4773, 16999), (7067, 11481), (8213, 9879)]