2009747229

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1347919}}^1$

素因数の和:1348000

約数の個数: 16

約数和(自身を含む): 3105607680

約数和(自身を除く): 1095860451

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1347919, 4043757, 9435433, 28306299, 95702249, 287106747, 669915743, 2009747229]

約数ペア:

[(1, 2009747229), (3, 669915743), (7, 287106747), (21, 95702249), (71, 28306299), (213, 9435433), (497, 4043757), (1491, 1347919)]