2016521757

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{111973}}^1$

素因数の和:112034

約数の個数: 32

約数和(自身を含む): 3224851200

約数和(自身を除く): 1208329443

約数列:

[1, 3, 9, 23, 27, 29, 69, 87, 207, 261, 621, 667, 783, 2001, 6003, 18009, 111973, 335919, 1007757, 2575379, 3023271, 3247217, 7726137, 9741651, 23178411, 29224953, 69535233, 74685991, 87674859, 224057973, 672173919, 2016521757]

約数ペア:

[(1, 2016521757), (3, 672173919), (9, 224057973), (23, 87674859), (27, 74685991), (29, 69535233), (69, 29224953), (87, 23178411), (207, 9741651), (261, 7726137), (621, 3247217), (667, 3023271), (783, 2575379), (2001, 1007757), (6003, 335919), (18009, 111973)]