12639675

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1327}}^1$

素因数の和:1467

約数の個数: 24

約数和(自身を含む): 21078016

約数和(自身を除く): 8438341

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 1327, 1905, 3175, 3981, 6635, 9525, 19905, 33175, 99525, 168529, 505587, 842645, 2527935, 4213225, 12639675]

約数ペア:

[(1, 12639675), (3, 4213225), (5, 2527935), (15, 842645), (25, 505587), (75, 168529), (127, 99525), (381, 33175), (635, 19905), (1327, 9525), (1905, 6635), (3175, 3981)]