12456423

素因数分解:

$3^6\times 7^1\times {\mathrm{2441}}^1$

素因数の和:2466

約数の個数: 28

約数和(自身を含む): 21352848

約数和(自身を除く): 8896425

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2441, 5103, 7323, 17087, 21969, 51261, 65907, 153783, 197721, 461349, 593163, 1384047, 1779489, 4152141, 12456423]

約数ペア:

[(1, 12456423), (3, 4152141), (7, 1779489), (9, 1384047), (21, 593163), (27, 461349), (63, 197721), (81, 153783), (189, 65907), (243, 51261), (567, 21969), (729, 17087), (1701, 7323), (2441, 5103)]