About the Number

201890031

201890030 ← → 201890032

2進数表記:1100000010001001100011101111

漢数字表記:二億百八十九万三十一

素因数分解:

3 1 × 7 1 × 43 1 × 223577 1

素因数の和:223630
約数の個数: 16
約数和(自身を含む): 314797824
約数和(自身を除く): 112907793

約数列:
[1, 3, 7, 21, 43, 129, 301, 903, 223577, 670731, 1565039, 4695117, 9613811, 28841433, 67296677, 201890031]

約数ペア:
[(1, 201890031), (3, 67296677), (7, 28841433), (21, 9613811), (43, 4695117), (129, 1565039), (301, 670731), (903, 223577)]

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