81057861

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1979}}^1$

素因数の和:2066

約数の個数: 32

約数和(自身を含む): 126403200

約数和(自身を除く): 45345339

約数列:

[1, 3, 9, 27, 37, 41, 111, 123, 333, 369, 999, 1107, 1517, 1979, 4551, 5937, 13653, 17811, 40959, 53433, 73223, 81139, 219669, 243417, 659007, 730251, 1977021, 2190753, 3002143, 9006429, 27019287, 81057861]

約数ペア:

[(1, 81057861), (3, 27019287), (9, 9006429), (27, 3002143), (37, 2190753), (41, 1977021), (111, 730251), (123, 659007), (333, 243417), (369, 219669), (999, 81139), (1107, 73223), (1517, 53433), (1979, 40959), (4551, 17811), (5937, 13653)]