20080413

素因数分解:

$3^3\times {\mathrm{349}}^1\times {\mathrm{2131}}^1$

素因数の和:2489

約数の個数: 16

約数和(自身を含む): 29848000

約数和(自身を除く): 9767587

約数列:

[1, 3, 9, 27, 349, 1047, 2131, 3141, 6393, 9423, 19179, 57537, 743719, 2231157, 6693471, 20080413]

約数ペア:

[(1, 20080413), (3, 6693471), (9, 2231157), (27, 743719), (349, 57537), (1047, 19179), (2131, 9423), (3141, 6393)]