39940335

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20641}}^1$

素因数の和:20695

約数の個数: 24

約数和(自身を含む): 70843344

約数和(自身を除く): 30903009

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 20641, 61923, 103205, 185769, 309615, 887563, 928845, 2662689, 4437815, 7988067, 13313445, 39940335]

約数ペア:

[(1, 39940335), (3, 13313445), (5, 7988067), (9, 4437815), (15, 2662689), (43, 928845), (45, 887563), (129, 309615), (215, 185769), (387, 103205), (645, 61923), (1935, 20641)]