19960533

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43487}}^1$

素因数の和:43513

約数の個数: 16

約数和(自身を含む): 31311360

約数和(自身を除く): 11350827

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43487, 130461, 391383, 739279, 1174149, 2217837, 6653511, 19960533]

約数ペア:

[(1, 19960533), (3, 6653511), (9, 2217837), (17, 1174149), (27, 739279), (51, 391383), (153, 130461), (459, 43487)]