12857715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 24810240

約数和(自身を除く): 11952525

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 155, 195, 279, 403, 465, 585, 709, 1209, 1395, 2015, 2127, 3545, 3627, 6045, 6381, 9217, 10635, 18135, 21979, 27651, 31905, 46085, 65937, 82953, 109895, 138255, 197811, 285727, 329685, 414765, 857181, 989055, 1428635, 2571543, 4285905, 12857715]

約数ペア:

[(1, 12857715), (3, 4285905), (5, 2571543), (9, 1428635), (13, 989055), (15, 857181), (31, 414765), (39, 329685), (45, 285727), (65, 197811), (93, 138255), (117, 109895), (155, 82953), (195, 65937), (279, 46085), (403, 31905), (465, 27651), (585, 21979), (709, 18135), (1209, 10635), (1395, 9217), (2015, 6381), (2127, 6045), (3545, 3627)]