25680417

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{28439}}^1$

素因数の和:28492

約数の個数: 16

約数和(自身を含む): 40043520

約数和(自身を除く): 14363103

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 28439, 85317, 199073, 597219, 1222877, 3668631, 8560139, 25680417]

約数ペア:

[(1, 25680417), (3, 8560139), (7, 3668631), (21, 1222877), (43, 597219), (129, 199073), (301, 85317), (903, 28439)]