15870239

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 20467104

約数和(自身を除く): 4596865

約数列:

[1, 7, 11, 41, 77, 121, 287, 451, 457, 847, 3157, 3199, 4961, 5027, 18737, 34727, 35189, 55297, 131159, 206107, 387079, 1442749, 2267177, 15870239]

約数ペア:

[(1, 15870239), (7, 2267177), (11, 1442749), (41, 387079), (77, 206107), (121, 131159), (287, 55297), (451, 35189), (457, 34727), (847, 18737), (3157, 5027), (3199, 4961)]