12746559

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 20127744

約数和(自身を除く): 7381185

約数列:

[1, 3, 7, 21, 71, 83, 103, 213, 249, 309, 497, 581, 721, 1491, 1743, 2163, 5893, 7313, 8549, 17679, 21939, 25647, 41251, 51191, 59843, 123753, 153573, 179529, 606979, 1820937, 4248853, 12746559]

約数ペア:

[(1, 12746559), (3, 4248853), (7, 1820937), (21, 606979), (71, 179529), (83, 153573), (103, 123753), (213, 59843), (249, 51191), (309, 41251), (497, 25647), (581, 21939), (721, 17679), (1491, 8549), (1743, 7313), (2163, 5893)]