2009906787

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5629991}}^1$

素因数の和:5630018

約数の個数: 16

約数和(自身を含む): 3242875392

約数和(自身を除く): 1232968605

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 5629991, 16889973, 39409937, 95709847, 118229811, 287129541, 669968929, 2009906787]

約数ペア:

[(1, 2009906787), (3, 669968929), (7, 287129541), (17, 118229811), (21, 95709847), (51, 39409937), (119, 16889973), (357, 5629991)]