61540515

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{12781}}^1$

素因数の和:12899

約数の個数: 24

約数和(自身を含む): 107675568

約数和(自身を除く): 46135053

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4815, 12781, 38343, 63905, 115029, 191715, 575145, 1367567, 4102701, 6837835, 12308103, 20513505, 61540515]

約数ペア:

[(1, 61540515), (3, 20513505), (5, 12308103), (9, 6837835), (15, 4102701), (45, 1367567), (107, 575145), (321, 191715), (535, 115029), (963, 63905), (1605, 38343), (4815, 12781)]