12586509

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{11953}}^1$

素因数の和:11978

約数の個数: 20

約数和(自身を含む): 20250076

約数和(自身を除く): 7663567

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 11953, 35859, 107577, 155389, 322731, 466167, 968193, 1398501, 4195503, 12586509]

約数ペア:

[(1, 12586509), (3, 4195503), (9, 1398501), (13, 968193), (27, 466167), (39, 322731), (81, 155389), (117, 107577), (351, 35859), (1053, 11953)]