28393521

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{56003}}^1$

素因数の和:56032

約数の個数: 12

約数和(自身を含む): 40994928

約数和(自身を除く): 12601407

約数列:

[1, 3, 13, 39, 169, 507, 56003, 168009, 728039, 2184117, 9464507, 28393521]

約数ペア:

[(1, 28393521), (3, 9464507), (13, 2184117), (39, 728039), (169, 168009), (507, 56003)]