81318861

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{9521}}^1$

素因数の和:9613

約数の個数: 24

約数和(自身を含む): 128242296

約数和(自身を除く): 46923435

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 657, 949, 2847, 8541, 9521, 28563, 85689, 123773, 371319, 695033, 1113957, 2085099, 6255297, 9035429, 27106287, 81318861]

約数ペア:

[(1, 81318861), (3, 27106287), (9, 9035429), (13, 6255297), (39, 2085099), (73, 1113957), (117, 695033), (219, 371319), (657, 123773), (949, 85689), (2847, 28563), (8541, 9521)]