24721333

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{197}}^2$

素因数の和:421

約数の個数: 18

約数和(自身を含む): 31127586

約数和(自身を除く): 6406253

約数列:

[1, 7, 13, 49, 91, 197, 637, 1379, 2561, 9653, 17927, 38809, 125489, 271663, 504517, 1901641, 3531619, 24721333]

約数ペア:

[(1, 24721333), (7, 3531619), (13, 1901641), (49, 504517), (91, 271663), (197, 125489), (637, 38809), (1379, 17927), (2561, 9653)]