9990305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9041}}^1$

素因数の和:9076

約数の個数: 16

約数和(自身を含む): 13671504

約数和(自身を除く): 3681199

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 9041, 45205, 117533, 153697, 587665, 768485, 1998061, 9990305]

約数ペア:

[(1, 9990305), (5, 1998061), (13, 768485), (17, 587665), (65, 153697), (85, 117533), (221, 45205), (1105, 9041)]