209142081

素因数分解:

$3^6\times {\mathrm{53}}^1\times {\mathrm{5413}}^1$

素因数の和:5484

約数の個数: 28

約数和(自身を含む): 319545108

約数和(自身を除く): 110403027

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 729, 1431, 4293, 5413, 12879, 16239, 38637, 48717, 146151, 286889, 438453, 860667, 1315359, 2582001, 3946077, 7746003, 23238009, 69714027, 209142081]

約数ペア:

[(1, 209142081), (3, 69714027), (9, 23238009), (27, 7746003), (53, 3946077), (81, 2582001), (159, 1315359), (243, 860667), (477, 438453), (729, 286889), (1431, 146151), (4293, 48717), (5413, 38637), (12879, 16239)]