189315511

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{2213}}^1$

素因数の和:2343

約数の個数: 24

約数和(自身を含む): 240280992

約数和(自身を除く): 50965481

約数列:

[1, 7, 11, 77, 101, 121, 707, 847, 1111, 2213, 7777, 12221, 15491, 24343, 85547, 170401, 223513, 267773, 1564591, 1874411, 2458643, 17210501, 27045073, 189315511]

約数ペア:

[(1, 189315511), (7, 27045073), (11, 17210501), (77, 2458643), (101, 1874411), (121, 1564591), (707, 267773), (847, 223513), (1111, 170401), (2213, 85547), (7777, 24343), (12221, 15491)]