81231021

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{2939}}^1$

素因数の和:3065

約数の個数: 24

約数和(自身を含む): 121998240

約数和(自身を除く): 40767219

約数列:

[1, 3, 9, 37, 83, 111, 249, 333, 747, 2939, 3071, 8817, 9213, 26451, 27639, 108743, 243937, 326229, 731811, 978687, 2195433, 9025669, 27077007, 81231021]

約数ペア:

[(1, 81231021), (3, 27077007), (9, 9025669), (37, 2195433), (83, 978687), (111, 731811), (249, 326229), (333, 243937), (747, 108743), (2939, 27639), (3071, 26451), (8817, 9213)]