13206837

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20287}}^1$

素因数の和:20328

約数の個数: 16

約数和(自身を含む): 20774912

約数和(自身を除く): 7568075

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 20287, 60861, 142009, 426027, 628897, 1886691, 4402279, 13206837]

約数ペア:

[(1, 13206837), (3, 4402279), (7, 1886691), (21, 628897), (31, 426027), (93, 142009), (217, 60861), (651, 20287)]