209294021

素因数分解:

${\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{27791}}^1$

素因数の和:28251

約数の個数: 8

約数和(自身を含む): 222113664

約数和(自身を除く): 12819643

約数列:

[1, 17, 443, 7531, 27791, 472447, 12311413, 209294021]

約数ペア:

[(1, 209294021), (17, 12311413), (443, 472447), (7531, 27791)]