About the Number

1330221987

1330221986 ← → 1330221988

2進数表記:1001111010010011001001110100011

漢数字表記:十三億三千二十二万千九百八十七

素因数分解:

3 3 × 73 1 × 79 1 × 8543 1

素因数の和:8704
約数の個数: 32
約数和(自身を含む): 2023219200
約数和(自身を除く): 692997213

約数列:
[1, 3, 9, 27, 73, 79, 219, 237, 657, 711, 1971, 2133, 5767, 8543, 17301, 25629, 51903, 76887, 155709, 230661, 623639, 674897, 1870917, 2024691, 5612751, 6074073, 16838253, 18222219, 49267481, 147802443, 443407329, 1330221987]

約数ペア:
[(1, 1330221987), (3, 443407329), (9, 147802443), (27, 49267481), (73, 18222219), (79, 16838253), (219, 6074073), (237, 5612751), (657, 2024691), (711, 1870917), (1971, 674897), (2133, 623639), (5767, 230661), (8543, 155709), (17301, 76887), (25629, 51903)]

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