About the Number

81004239

81004238 ← → 81004240

2進数表記:100110101000000011011001111

漢数字表記:八千百万四千二百三十九

素因数分解:

3 3 × 19 1 × 269 1 × 587 1

素因数の和:884
約数の個数: 32
約数和(自身を含む): 127008000
約数和(自身を除く): 46003761

約数列:
[1, 3, 9, 19, 27, 57, 171, 269, 513, 587, 807, 1761, 2421, 5111, 5283, 7263, 11153, 15333, 15849, 33459, 45999, 100377, 137997, 157903, 301131, 473709, 1421127, 3000157, 4263381, 9000471, 27001413, 81004239]

約数ペア:
[(1, 81004239), (3, 27001413), (9, 9000471), (19, 4263381), (27, 3000157), (57, 1421127), (171, 473709), (269, 301131), (513, 157903), (587, 137997), (807, 100377), (1761, 45999), (2421, 33459), (5111, 15849), (5283, 15333), (7263, 11153)]

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