13321387009

素因数分解:

$7^3\times {\mathrm{1381}}^1\times {\mathrm{28123}}^1$

素因数の和:29525

約数の個数: 16

約数和(自身を含む): 15546947200

約数和(自身を除く): 2225560191

約数列:

[1, 7, 49, 343, 1381, 9667, 28123, 67669, 196861, 473683, 1378027, 9646189, 38837863, 271865041, 1903055287, 13321387009]

約数ペア:

[(1, 13321387009), (7, 1903055287), (49, 271865041), (343, 38837863), (1381, 9646189), (9667, 1378027), (28123, 473683), (67669, 196861)]