11787489

素因数分解:

$3^2\times 7^2\times {\mathrm{26729}}^1$

素因数の和:26749

約数の個数: 18

約数和(自身を含む): 19806930

約数和(自身を除く): 8019441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 26729, 80187, 187103, 240561, 561309, 1309721, 1683927, 3929163, 11787489]

約数ペア:

[(1, 11787489), (3, 3929163), (7, 1683927), (9, 1309721), (21, 561309), (49, 240561), (63, 187103), (147, 80187), (441, 26729)]