About the Number

2782143

2782142 ← → 2782144

2進数表記:1010100111001110111111

漢数字表記:二百七十八万二千百四十三

素因数分解:

3 2 × 7 1 × 13 1 × 43 1 × 79 1

素因数の和:148
約数の個数: 48
約数和(自身を含む): 5125120
約数和(自身を除く): 2342977

約数列:
[1, 3, 7, 9, 13, 21, 39, 43, 63, 79, 91, 117, 129, 237, 273, 301, 387, 553, 559, 711, 819, 903, 1027, 1659, 1677, 2709, 3081, 3397, 3913, 4977, 5031, 7189, 9243, 10191, 11739, 21567, 23779, 30573, 35217, 44161, 64701, 71337, 132483, 214011, 309127, 397449, 927381, 2782143]

約数ペア:
[(1, 2782143), (3, 927381), (7, 397449), (9, 309127), (13, 214011), (21, 132483), (39, 71337), (43, 64701), (63, 44161), (79, 35217), (91, 30573), (117, 23779), (129, 21567), (237, 11739), (273, 10191), (301, 9243), (387, 7189), (553, 5031), (559, 4977), (711, 3913), (819, 3397), (903, 3081), (1027, 2709), (1659, 1677)]

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