28247163

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9677}}^1$

素因数の和:9826

約数の個数: 16

約数和(自身を含む): 43357440

約数和(自身を除く): 15110277

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 9677, 29031, 67739, 203217, 1345103, 4035309, 9415721, 28247163]

約数ペア:

[(1, 28247163), (3, 9415721), (7, 4035309), (21, 1345103), (139, 203217), (417, 67739), (973, 29031), (2919, 9677)]