13221903

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{8363}}^1$

素因数の和:8414

約数の個数: 16

約数和(自身を含む): 19270656

約数和(自身を除く): 6048753

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 8363, 25089, 142171, 259253, 426513, 777759, 4407301, 13221903]

約数ペア:

[(1, 13221903), (3, 4407301), (17, 777759), (31, 426513), (51, 259253), (93, 142171), (527, 25089), (1581, 8363)]