561207655

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{20441}}^1$

素因数の和:20499

約数の個数: 24

約数和(自身を含む): 753083280

約数和(自身を除く): 191875625

約数列:

[1, 5, 17, 19, 85, 95, 289, 323, 1445, 1615, 5491, 20441, 27455, 102205, 347497, 388379, 1737485, 1941895, 5907449, 6602443, 29537245, 33012215, 112241531, 561207655]

約数ペア:

[(1, 561207655), (5, 112241531), (17, 33012215), (19, 29537245), (85, 6602443), (95, 5907449), (289, 1941895), (323, 1737485), (1445, 388379), (1615, 347497), (5491, 102205), (20441, 27455)]