15357321

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5669}}^1$

素因数の和:5725

約数の個数: 24

約数和(自身を含む): 25945920

約数和(自身を除く): 10588599

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 5669, 17007, 39683, 51021, 119049, 243767, 357147, 731301, 1706369, 2193903, 5119107, 15357321]

約数ペア:

[(1, 15357321), (3, 5119107), (7, 2193903), (9, 1706369), (21, 731301), (43, 357147), (63, 243767), (129, 119049), (301, 51021), (387, 39683), (903, 17007), (2709, 5669)]