2017256805

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{292993}}^1$

素因数の和:293027

約数の個数: 40

約数和(自身を含む): 3828845592

約数和(自身を除く): 1811588787

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 292993, 878979, 1464965, 2636937, 4394895, 4980881, 7910811, 13184685, 14942643, 23732433, 24904405, 39554055, 44827929, 74713215, 118662165, 134483787, 224139645, 403451361, 672418935, 2017256805]

約数ペア:

[(1, 2017256805), (3, 672418935), (5, 403451361), (9, 224139645), (15, 134483787), (17, 118662165), (27, 74713215), (45, 44827929), (51, 39554055), (81, 24904405), (85, 23732433), (135, 14942643), (153, 13184685), (255, 7910811), (405, 4980881), (459, 4394895), (765, 2636937), (1377, 1464965), (2295, 878979), (6885, 292993)]