28397721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{2767}}^1$

素因数の和:3092

約数の個数: 16

約数和(自身を含む): 41453568

約数和(自身を除く): 13055847

約数列:

[1, 3, 11, 33, 311, 933, 2767, 3421, 8301, 10263, 30437, 91311, 860537, 2581611, 9465907, 28397721]

約数ペア:

[(1, 28397721), (3, 9465907), (11, 2581611), (33, 860537), (311, 91311), (933, 30437), (2767, 10263), (3421, 8301)]