2008323

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 18

約数和(自身を含む): 2999724

約数和(自身を除く): 991401

約数列:

[1, 3, 9, 37, 111, 163, 333, 489, 1369, 1467, 4107, 6031, 12321, 18093, 54279, 223147, 669441, 2008323]

約数ペア:

[(1, 2008323), (3, 669441), (9, 223147), (37, 54279), (111, 18093), (163, 12321), (333, 6031), (489, 4107), (1369, 1467)]