12963321

素因数分解:

$3^5\times 7^1\times {\mathrm{7621}}^1$

素因数の和:7643

約数の個数: 24

約数和(自身を含む): 22195264

約数和(自身を除く): 9231943

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 7621, 22863, 53347, 68589, 160041, 205767, 480123, 617301, 1440369, 1851903, 4321107, 12963321]

約数ペア:

[(1, 12963321), (3, 4321107), (7, 1851903), (9, 1440369), (21, 617301), (27, 480123), (63, 205767), (81, 160041), (189, 68589), (243, 53347), (567, 22863), (1701, 7621)]