208097181

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{20887}}^1$

素因数の和:20943

約数の個数: 24

約数和(自身を含む): 319335744

約数和(自身を除く): 111238563

約数列:

[1, 3, 9, 27, 41, 81, 123, 243, 369, 1107, 3321, 9963, 20887, 62661, 187983, 563949, 856367, 1691847, 2569101, 5075541, 7707303, 23121909, 69365727, 208097181]

約数ペア:

[(1, 208097181), (3, 69365727), (9, 23121909), (27, 7707303), (41, 5075541), (81, 2569101), (123, 1691847), (243, 856367), (369, 563949), (1107, 187983), (3321, 62661), (9963, 20887)]