17987211

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:944

約数の個数: 32

約数和(自身を含む): 29514240

約数和(自身を除く): 11527029

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 853, 1917, 2343, 2559, 7029, 7677, 9383, 21087, 23031, 28149, 60563, 84447, 181689, 253341, 545067, 666193, 1635201, 1998579, 5995737, 17987211]

約数ペア:

[(1, 17987211), (3, 5995737), (9, 1998579), (11, 1635201), (27, 666193), (33, 545067), (71, 253341), (99, 181689), (213, 84447), (297, 60563), (639, 28149), (781, 23031), (853, 21087), (1917, 9383), (2343, 7677), (2559, 7029)]