81736245

素因数分解:

$3^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{2207}}^1$

素因数の和:3041

約数の個数: 24

約数和(自身を含む): 141912576

約数和(自身を除く): 60176331

約数列:

[1, 3, 5, 9, 15, 45, 823, 2207, 2469, 4115, 6621, 7407, 11035, 12345, 19863, 33105, 37035, 99315, 1816361, 5449083, 9081805, 16347249, 27245415, 81736245]

約数ペア:

[(1, 81736245), (3, 27245415), (5, 16347249), (9, 9081805), (15, 5449083), (45, 1816361), (823, 99315), (2207, 37035), (2469, 33105), (4115, 19863), (6621, 12345), (7407, 11035)]