28873521

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{168851}}^1$

素因数の和:168876

約数の個数: 12

約数和(自身を含む): 43901520

約数和(自身を除く): 15027999

約数列:

[1, 3, 9, 19, 57, 171, 168851, 506553, 1519659, 3208169, 9624507, 28873521]

約数ペア:

[(1, 28873521), (3, 9624507), (9, 3208169), (19, 1519659), (57, 506553), (171, 168851)]