28506021

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{3833}}^1$

素因数の和:3940

約数の個数: 16

約数和(自身を含む): 39628224

約数和(自身を除く): 11122203

約数列:

[1, 3, 37, 67, 111, 201, 2479, 3833, 7437, 11499, 141821, 256811, 425463, 770433, 9502007, 28506021]

約数ペア:

[(1, 28506021), (3, 9502007), (37, 770433), (67, 425463), (111, 256811), (201, 141821), (2479, 11499), (3833, 7437)]