27390321

素因数分解:

$3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1063}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 45368960

約数和(自身を除く): 17978639

約数列:

[1, 3, 7, 9, 21, 63, 409, 1063, 1227, 2863, 3189, 3681, 7441, 8589, 9567, 22323, 25767, 66969, 434767, 1304301, 3043369, 3912903, 9130107, 27390321]

約数ペア:

[(1, 27390321), (3, 9130107), (7, 3912903), (9, 3043369), (21, 1304301), (63, 434767), (409, 66969), (1063, 25767), (1227, 22323), (2863, 9567), (3189, 8589), (3681, 7441)]