81215145

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{164071}}^1$

素因数の和:164093

約数の個数: 24

約数和(自身を含む): 153571392

約数和(自身を除く): 72356247

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 164071, 492213, 820355, 1476639, 1804781, 2461065, 5414343, 7383195, 9023905, 16243029, 27071715, 81215145]

約数ペア:

[(1, 81215145), (3, 27071715), (5, 16243029), (9, 9023905), (11, 7383195), (15, 5414343), (33, 2461065), (45, 1804781), (55, 1476639), (99, 820355), (165, 492213), (495, 164071)]