About the Number

201640689

201640688 ← → 201640690

2進数表記:1100000001001100101011110001

漢数字表記:二億百六十四万六百八十九

素因数分解:

3 2 × 17 1 × 1013 1 × 1301 1

素因数の和:2337
約数の個数: 24
約数和(自身を含む): 308933352
約数和(自身を除く): 107292663

約数列:
[1, 3, 9, 17, 51, 153, 1013, 1301, 3039, 3903, 9117, 11709, 17221, 22117, 51663, 66351, 154989, 199053, 1317913, 3953739, 11861217, 22404521, 67213563, 201640689]

約数ペア:
[(1, 201640689), (3, 67213563), (9, 22404521), (17, 11861217), (51, 3953739), (153, 1317913), (1013, 199053), (1301, 154989), (3039, 66351), (3903, 51663), (9117, 22117), (11709, 17221)]

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