20180212173

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{208213}}^1$

素因数の和:208330

約数の個数: 36

約数和(自身を含む): 32400180540

約数和(自身を除く): 12219968367

約数列:

[1, 3, 9, 11, 33, 89, 99, 121, 267, 363, 801, 979, 1089, 2937, 8811, 10769, 32307, 96921, 208213, 624639, 1873917, 2290343, 6871029, 18530957, 20613087, 25193773, 55592871, 75581319, 166778613, 203840527, 226743957, 611521581, 1834564743, 2242245797, 6726737391, 20180212173]

約数ペア:

[(1, 20180212173), (3, 6726737391), (9, 2242245797), (11, 1834564743), (33, 611521581), (89, 226743957), (99, 203840527), (121, 166778613), (267, 75581319), (363, 55592871), (801, 25193773), (979, 20613087), (1089, 18530957), (2937, 6871029), (8811, 2290343), (10769, 1873917), (32307, 624639), (96921, 208213)]