81851067

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:961

約数の個数: 40

約数和(自身を含む): 129773952

約数和(自身を除く): 47922885

約数列:

[1, 3, 9, 27, 31, 37, 81, 93, 111, 279, 333, 837, 881, 999, 1147, 2511, 2643, 2997, 3441, 7929, 10323, 23787, 27311, 30969, 32597, 71361, 81933, 92907, 97791, 245799, 293373, 737397, 880119, 1010507, 2212191, 2640357, 3031521, 9094563, 27283689, 81851067]

約数ペア:

[(1, 81851067), (3, 27283689), (9, 9094563), (27, 3031521), (31, 2640357), (37, 2212191), (81, 1010507), (93, 880119), (111, 737397), (279, 293373), (333, 245799), (837, 97791), (881, 92907), (999, 81933), (1147, 71361), (2511, 32597), (2643, 30969), (2997, 27311), (3441, 23787), (7929, 10323)]