2809287

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{1847}}^1$

素因数の和:1879

約数の個数: 18

約数和(自身を含む): 4396392

約数和(自身を除く): 1587105

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 1847, 5541, 16623, 24011, 72033, 216099, 312143, 936429, 2809287]

約数ペア:

[(1, 2809287), (3, 936429), (9, 312143), (13, 216099), (39, 72033), (117, 24011), (169, 16623), (507, 5541), (1521, 1847)]