71709219

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:457

約数の個数: 40

約数和(自身を含む): 111896928

約数和(自身を除く): 40187709

約数列:

[1, 3, 9, 27, 37, 71, 81, 111, 213, 333, 337, 639, 999, 1011, 1917, 2627, 2997, 3033, 5751, 7881, 9099, 12469, 23643, 23927, 27297, 37407, 70929, 71781, 112221, 212787, 215343, 336663, 646029, 885299, 1009989, 1938087, 2655897, 7967691, 23903073, 71709219]

約数ペア:

[(1, 71709219), (3, 23903073), (9, 7967691), (27, 2655897), (37, 1938087), (71, 1009989), (81, 885299), (111, 646029), (213, 336663), (333, 215343), (337, 212787), (639, 112221), (999, 71781), (1011, 70929), (1917, 37407), (2627, 27297), (2997, 23927), (3033, 23643), (5751, 12469), (7881, 9099)]