About the Number

27123381

27123380 ← → 27123382

2進数表記:1100111011101111010110101

漢数字表記:二千七百十二万三千三百八十一

素因数分解:

3 2 × 17 1 × 29 1 × 6113 1

素因数の和:6165
約数の個数: 24
約数和(自身を含む): 42920280
約数和(自身を除く): 15796899

約数列:
[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 6113, 18339, 55017, 103921, 177277, 311763, 531831, 935289, 1595493, 3013709, 9041127, 27123381]

約数ペア:
[(1, 27123381), (3, 9041127), (9, 3013709), (17, 1595493), (29, 935289), (51, 531831), (87, 311763), (153, 177277), (261, 103921), (493, 55017), (1479, 18339), (4437, 6113)]

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