28082847

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{6991}}^1$

素因数の和:7110

約数の個数: 16

約数和(自身を含む): 40721408

約数和(自身を除く): 12638561

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 6991, 20973, 90883, 272649, 720073, 2160219, 9360949, 28082847]

約数ペア:

[(1, 28082847), (3, 9360949), (13, 2160219), (39, 720073), (103, 272649), (309, 90883), (1339, 20973), (4017, 6991)]