81566991

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{1217}}^1$

素因数の和:1911

約数の個数: 24

約数和(自身を含む): 128825424

約数和(自身を除く): 47258433

約数列:

[1, 3, 9, 11, 33, 99, 677, 1217, 2031, 3651, 6093, 7447, 10953, 13387, 22341, 40161, 67023, 120483, 823909, 2471727, 7415181, 9062999, 27188997, 81566991]

約数ペア:

[(1, 81566991), (3, 27188997), (9, 9062999), (11, 7415181), (33, 2471727), (99, 823909), (677, 120483), (1217, 67023), (2031, 40161), (3651, 22341), (6093, 13387), (7447, 10953)]