12821448957

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{11887}}^1$

素因数の和:12185

約数の個数: 32

約数和(自身を含む): 18259968000

約数和(自身を除く): 5438519043

約数列:

[1, 3, 19, 57, 127, 149, 381, 447, 2413, 2831, 7239, 8493, 11887, 18923, 35661, 56769, 225853, 359537, 677559, 1078611, 1509649, 1771163, 4528947, 5313489, 28683331, 33652097, 86049993, 100956291, 224937701, 674813103, 4273816319, 12821448957]

約数ペア:

[(1, 12821448957), (3, 4273816319), (19, 674813103), (57, 224937701), (127, 100956291), (149, 86049993), (381, 33652097), (447, 28683331), (2413, 5313489), (2831, 4528947), (7239, 1771163), (8493, 1509649), (11887, 1078611), (18923, 677559), (35661, 359537), (56769, 225853)]