220199484987

素因数分解:

$3^3\times {\mathrm{71}}^2\times {\mathrm{79}}^1\times {\mathrm{20479}}^1$

素因数の和:20709

約数の個数: 48

約数和(自身を含む): 335085568000

約数和(自身を除く): 114886083013

約数列:

[1, 3, 9, 27, 71, 79, 213, 237, 639, 711, 1917, 2133, 5041, 5609, 15123, 16827, 20479, 45369, 50481, 61437, 136107, 151443, 184311, 398239, 552933, 1194717, 1454009, 1617841, 3584151, 4362027, 4853523, 10752453, 13086081, 14560569, 39258243, 43681707, 103234639, 114866711, 309703917, 344600133, 929111751, 1033800399, 2787335253, 3101401197, 8155536481, 24466609443, 73399828329, 220199484987]

約数ペア:

[(1, 220199484987), (3, 73399828329), (9, 24466609443), (27, 8155536481), (71, 3101401197), (79, 2787335253), (213, 1033800399), (237, 929111751), (639, 344600133), (711, 309703917), (1917, 114866711), (2133, 103234639), (5041, 43681707), (5609, 39258243), (15123, 14560569), (16827, 13086081), (20479, 10752453), (45369, 4853523), (50481, 4362027), (61437, 3584151), (136107, 1617841), (151443, 1454009), (184311, 1194717), (398239, 552933)]