2568321

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:250

約数の個数: 32

約数和(自身を含む): 4423680

約数和(自身を除く): 1855359

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 127, 189, 321, 381, 749, 889, 963, 1143, 2247, 2667, 2889, 3429, 6741, 8001, 13589, 20223, 24003, 40767, 95123, 122301, 285369, 366903, 856107, 2568321]

約数ペア:

[(1, 2568321), (3, 856107), (7, 366903), (9, 285369), (21, 122301), (27, 95123), (63, 40767), (107, 24003), (127, 20223), (189, 13589), (321, 8001), (381, 6741), (749, 3429), (889, 2889), (963, 2667), (1143, 2247)]