79824609

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{6277}}^1$

素因数の和:6446

約数の個数: 20

約数和(自身を含む): 120022804

約数和(自身を除く): 40198195

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 6277, 12717, 18831, 56493, 169479, 508437, 985489, 2956467, 8869401, 26608203, 79824609]

約数ペア:

[(1, 79824609), (3, 26608203), (9, 8869401), (27, 2956467), (81, 985489), (157, 508437), (471, 169479), (1413, 56493), (4239, 18831), (6277, 12717)]