856107

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 1437696

約数和(自身を除く): 581589

約数列:

[1, 3, 7, 9, 21, 63, 107, 127, 321, 381, 749, 889, 963, 1143, 2247, 2667, 6741, 8001, 13589, 40767, 95123, 122301, 285369, 856107]

約数ペア:

[(1, 856107), (3, 285369), (7, 122301), (9, 95123), (21, 40767), (63, 13589), (107, 8001), (127, 6741), (321, 2667), (381, 2247), (749, 1143), (889, 963)]