13201705

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{21821}}^1$

素因数の和:21848

約数の個数: 12

約数和(自身を含む): 17413956

約数和(自身を除く): 4212251

約数列:

[1, 5, 11, 55, 121, 605, 21821, 109105, 240031, 1200155, 2640341, 13201705]

約数ペア:

[(1, 13201705), (5, 2640341), (11, 1200155), (55, 240031), (121, 109105), (605, 21821)]