About the Number

201285729

201285728 ← → 201285730

2進数表記:1011111111110110000001100001

漢数字表記:二億百二十八万五千七百二十九

素因数分解:

3 4 × 17 1 × 127 1 × 1151 1

素因数の和:1307
約数の個数: 40
約数和(自身を含む): 321159168
約数和(自身を除く): 119873439

約数列:
[1, 3, 9, 17, 27, 51, 81, 127, 153, 381, 459, 1143, 1151, 1377, 2159, 3429, 3453, 6477, 10287, 10359, 19431, 19567, 31077, 58293, 58701, 93231, 146177, 174879, 176103, 438531, 528309, 1315593, 1584927, 2485009, 3946779, 7455027, 11840337, 22365081, 67095243, 201285729]

約数ペア:
[(1, 201285729), (3, 67095243), (9, 22365081), (17, 11840337), (27, 7455027), (51, 3946779), (81, 2485009), (127, 1584927), (153, 1315593), (381, 528309), (459, 438531), (1143, 176103), (1151, 174879), (1377, 146177), (2159, 93231), (3429, 58701), (3453, 58293), (6477, 31077), (10287, 19567), (10359, 19431)]

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