289920681

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{4813}}^1$

素因数の和:4942

約数の個数: 32

約数和(自身を含む): 452901120

約数和(自身を除く): 162980439

約数列:

[1, 3, 9, 23, 27, 69, 97, 207, 291, 621, 873, 2231, 2619, 4813, 6693, 14439, 20079, 43317, 60237, 110699, 129951, 332097, 466861, 996291, 1400583, 2988873, 4201749, 10737803, 12605247, 32213409, 96640227, 289920681]

約数ペア:

[(1, 289920681), (3, 96640227), (9, 32213409), (23, 12605247), (27, 10737803), (69, 4201749), (97, 2988873), (207, 1400583), (291, 996291), (621, 466861), (873, 332097), (2231, 129951), (2619, 110699), (4813, 60237), (6693, 43317), (14439, 20079)]