12561521

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{373}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 15295104

約数和(自身を除く): 2733583

約数列:

[1, 7, 17, 119, 283, 373, 1981, 2611, 4811, 6341, 33677, 44387, 105559, 738913, 1794503, 12561521]

約数ペア:

[(1, 12561521), (7, 1794503), (17, 738913), (119, 105559), (283, 44387), (373, 33677), (1981, 6341), (2611, 4811)]