83687247

素因数分解:

$3^2\times 7^2\times {\mathrm{189767}}^1$

素因数の和:189787

約数の個数: 18

約数和(自身を含む): 140618088

約数和(自身を除く): 56930841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 189767, 569301, 1328369, 1707903, 3985107, 9298583, 11955321, 27895749, 83687247]

約数ペア:

[(1, 83687247), (3, 27895749), (7, 11955321), (9, 9298583), (21, 3985107), (49, 1707903), (63, 1328369), (147, 569301), (441, 189767)]