2389491

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{1571}}^1$

素因数の和:1603

約数の個数: 18

約数和(自身を含む): 3739788

約数和(自身を除く): 1350297

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 1571, 4713, 14139, 20423, 61269, 183807, 265499, 796497, 2389491]

約数ペア:

[(1, 2389491), (3, 796497), (9, 265499), (13, 183807), (39, 61269), (117, 20423), (169, 14139), (507, 4713), (1521, 1571)]