690464799

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{31873}}^1$

素因数の和:31991

約数の個数: 24

約数和(自身を含む): 1044192240

約数和(自身を除く): 353727441

約数列:

[1, 3, 9, 29, 83, 87, 249, 261, 747, 2407, 7221, 21663, 31873, 95619, 286857, 924317, 2645459, 2772951, 7936377, 8318853, 23809131, 76718311, 230154933, 690464799]

約数ペア:

[(1, 690464799), (3, 230154933), (9, 76718311), (29, 23809131), (83, 8318853), (87, 7936377), (249, 2772951), (261, 2645459), (747, 924317), (2407, 286857), (7221, 95619), (21663, 31873)]