80640651

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{295387}}^1$

素因数の和:295410

約数の個数: 16

約数和(自身を含む): 132333824

約数和(自身を除く): 51693173

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 295387, 886161, 2067709, 3840031, 6203127, 11520093, 26880217, 80640651]

約数ペア:

[(1, 80640651), (3, 26880217), (7, 11520093), (13, 6203127), (21, 3840031), (39, 2067709), (91, 886161), (273, 295387)]