12740217

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{14797}}^1$

素因数の和:14848

約数の個数: 16

約数和(自身を含む): 19888512

約数和(自身を除く): 7148295

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 14797, 44391, 103579, 310737, 606677, 1820031, 4246739, 12740217]

約数ペア:

[(1, 12740217), (3, 4246739), (7, 1820031), (21, 606677), (41, 310737), (123, 103579), (287, 44391), (861, 14797)]