128252319

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{16693}}^1$

素因数の和:16906

約数の個数: 16

約数和(自身を含む): 185103072

約数和(自身を除く): 56850753

約数列:

[1, 3, 13, 39, 197, 591, 2561, 7683, 16693, 50079, 217009, 651027, 3288521, 9865563, 42750773, 128252319]

約数ペア:

[(1, 128252319), (3, 42750773), (13, 9865563), (39, 3288521), (197, 651027), (591, 217009), (2561, 50079), (7683, 16693)]