81583767

素因数分解:

$3^4\times {\mathrm{563}}^1\times {\mathrm{1789}}^1$

素因数の和:2364

約数の個数: 20

約数和(自身を含む): 122156760

約数和(自身を除く): 40572993

約数列:

[1, 3, 9, 27, 81, 563, 1689, 1789, 5067, 5367, 15201, 16101, 45603, 48303, 144909, 1007207, 3021621, 9064863, 27194589, 81583767]

約数ペア:

[(1, 81583767), (3, 27194589), (9, 9064863), (27, 3021621), (81, 1007207), (563, 144909), (1689, 48303), (1789, 45603), (5067, 16101), (5367, 15201)]