81175215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4871}}^1$

素因数の和:4991

約数の個数: 32

約数和(自身を含む): 143119872

約数和(自身を除く): 61944657

約数列:

[1, 3, 5, 11, 15, 33, 55, 101, 165, 303, 505, 1111, 1515, 3333, 4871, 5555, 14613, 16665, 24355, 53581, 73065, 160743, 267905, 491971, 803715, 1475913, 2459855, 5411681, 7379565, 16235043, 27058405, 81175215]

約数ペア:

[(1, 81175215), (3, 27058405), (5, 16235043), (11, 7379565), (15, 5411681), (33, 2459855), (55, 1475913), (101, 803715), (165, 491971), (303, 267905), (505, 160743), (1111, 73065), (1515, 53581), (3333, 24355), (4871, 16665), (5555, 14613)]