81248211

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3853}}^1$

素因数の和:3944

約数の個数: 32

約数和(自身を含む): 133194240

約数和(自身を除く): 51946029

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 1917, 2343, 3853, 7029, 11559, 21087, 34677, 42383, 104031, 127149, 273563, 381447, 820689, 1144341, 2462067, 3009193, 7386201, 9027579, 27082737, 81248211]

約数ペア:

[(1, 81248211), (3, 27082737), (9, 9027579), (11, 7386201), (27, 3009193), (33, 2462067), (71, 1144341), (99, 820689), (213, 381447), (297, 273563), (639, 127149), (781, 104031), (1917, 42383), (2343, 34677), (3853, 21087), (7029, 11559)]