27820877

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{7187}}^1$

素因数の和:7280

約数の個数: 12

約数和(自身を含む): 32777280

約数和(自身を除く): 4956403

約数列:

[1, 7, 49, 79, 553, 3871, 7187, 50309, 352163, 567773, 3974411, 27820877]

約数ペア:

[(1, 27820877), (7, 3974411), (49, 567773), (79, 352163), (553, 50309), (3871, 7187)]