12840903

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{25031}}^1$

素因数の和:25059

約数の個数: 16

約数和(自身を含む): 20025600

約数和(自身を除く): 7184697

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 25031, 75093, 225279, 475589, 675837, 1426767, 4280301, 12840903]

約数ペア:

[(1, 12840903), (3, 4280301), (9, 1426767), (19, 675837), (27, 475589), (57, 225279), (171, 75093), (513, 25031)]