2009431137

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1347707}}^1$

素因数の和:1347788

約数の個数: 16

約数和(自身を含む): 3105119232

約数和(自身を除く): 1095688095

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1347707, 4043121, 9433949, 28301847, 95687197, 287061591, 669810379, 2009431137]

約数ペア:

[(1, 2009431137), (3, 669810379), (7, 287061591), (21, 95687197), (71, 28301847), (213, 9433949), (497, 4043121), (1491, 1347707)]