2005236549

素因数分解:

$3^2\times {\mathrm{509}}^1\times {\mathrm{437729}}^1$

素因数の和:438244

約数の個数: 12

約数和(自身を含む): 2902149900

約数和(自身を除く): 896913351

約数列:

[1, 3, 9, 509, 1527, 4581, 437729, 1313187, 3939561, 222804061, 668412183, 2005236549]

約数ペア:

[(1, 2005236549), (3, 668412183), (9, 222804061), (509, 3939561), (1527, 1313187), (4581, 437729)]