639166803

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{15889}}^1$

素因数の和:15979

約数の個数: 32

約数和(自身を含む): 988485120

約数和(自身を除く): 349318317

約数列:

[1, 3, 11, 23, 33, 53, 69, 159, 253, 583, 759, 1219, 1749, 3657, 13409, 15889, 40227, 47667, 174779, 365447, 524337, 842117, 1096341, 2526351, 4019917, 9263287, 12059751, 19368691, 27789861, 58106073, 213055601, 639166803]

約数ペア:

[(1, 639166803), (3, 213055601), (11, 58106073), (23, 27789861), (33, 19368691), (53, 12059751), (69, 9263287), (159, 4019917), (253, 2526351), (583, 1096341), (759, 842117), (1219, 524337), (1749, 365447), (3657, 174779), (13409, 47667), (15889, 40227)]