27720989901

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{280009999}}^1$

素因数の和:280010016

約数の個数: 12

約数和(自身を含む): 43681560000

約数和(自身を除く): 15960570099

約数列:

[1, 3, 9, 11, 33, 99, 280009999, 840029997, 2520089991, 3080109989, 9240329967, 27720989901]

約数ペア:

[(1, 27720989901), (3, 9240329967), (9, 3080109989), (11, 2520089991), (33, 840029997), (99, 280009999)]