261574155

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{341927}}^1$

素因数の和:341955

約数の個数: 24

約数和(自身を含む): 480066912

約数和(自身を除く): 218492757

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 341927, 1025781, 1709635, 3077343, 5128905, 5812759, 15386715, 17438277, 29063795, 52314831, 87191385, 261574155]

約数ペア:

[(1, 261574155), (3, 87191385), (5, 52314831), (9, 29063795), (15, 17438277), (17, 15386715), (45, 5812759), (51, 5128905), (85, 3077343), (153, 1709635), (255, 1025781), (765, 341927)]