2051229309

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1\times {\mathrm{883}}^1$

素因数の和:1297

約数の個数: 32

約数和(自身を含む): 2890128384

約数和(自身を除く): 838899075

約数列:

[1, 3, 23, 69, 131, 257, 393, 771, 883, 2649, 3013, 5911, 9039, 17733, 20309, 33667, 60927, 101001, 115673, 226931, 347019, 680793, 774341, 2323023, 2660479, 5219413, 7981437, 15658239, 29727961, 89183883, 683743103, 2051229309]

約数ペア:

[(1, 2051229309), (3, 683743103), (23, 89183883), (69, 29727961), (131, 15658239), (257, 7981437), (393, 5219413), (771, 2660479), (883, 2323023), (2649, 774341), (3013, 680793), (5911, 347019), (9039, 226931), (17733, 115673), (20309, 101001), (33667, 60927)]