28218453

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7793}}^1$

素因数の和:7884

約数の個数: 16

約数和(自身を含む): 40404096

約数和(自身を除く): 12185643

約数列:

[1, 3, 17, 51, 71, 213, 1207, 3621, 7793, 23379, 132481, 397443, 553303, 1659909, 9406151, 28218453]

約数ペア:

[(1, 28218453), (3, 9406151), (17, 1659909), (51, 553303), (71, 397443), (213, 132481), (1207, 23379), (3621, 7793)]