16820727

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{72817}}^1$

素因数の和:72838

約数の個数: 16

約数和(自身を含む): 27962112

約数和(自身を除く): 11141385

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 72817, 218451, 509719, 800987, 1529157, 2402961, 5606909, 16820727]

約数ペア:

[(1, 16820727), (3, 5606909), (7, 2402961), (11, 1529157), (21, 800987), (33, 509719), (77, 218451), (231, 72817)]