About the Number

252172089

252172088 ← → 252172090

2進数表記:1111000001111101011100111001

漢数字表記:二億五千二百十七万二千八十九

素因数分解:

3 3 × 13 1 × 127 1 × 5657 1

素因数の和:5806
約数の個数: 32
約数和(自身を含む): 405565440
約数和(自身を除く): 153393351

約数列:
[1, 3, 9, 13, 27, 39, 117, 127, 351, 381, 1143, 1651, 3429, 4953, 5657, 14859, 16971, 44577, 50913, 73541, 152739, 220623, 661869, 718439, 1985607, 2155317, 6465951, 9339707, 19397853, 28019121, 84057363, 252172089]

約数ペア:
[(1, 252172089), (3, 84057363), (9, 28019121), (13, 19397853), (27, 9339707), (39, 6465951), (117, 2155317), (127, 1985607), (351, 718439), (381, 661869), (1143, 220623), (1651, 152739), (3429, 73541), (4953, 50913), (5657, 44577), (14859, 16971)]

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