About the Number

201085209

201085208 ← → 201085210

2進数表記:1011111111000101000100011001

漢数字表記:二億百八万五千二百九

素因数分解:

3 2 × 13 1 × 1031 1 × 1667 1

素因数の和:2717
約数の個数: 24
約数和(自身を含む): 313290432
約数和(自身を除く): 112205223

約数列:
[1, 3, 9, 13, 39, 117, 1031, 1667, 3093, 5001, 9279, 13403, 15003, 21671, 40209, 65013, 120627, 195039, 1718677, 5156031, 15468093, 22342801, 67028403, 201085209]

約数ペア:
[(1, 201085209), (3, 67028403), (9, 22342801), (13, 15468093), (39, 5156031), (117, 1718677), (1031, 195039), (1667, 120627), (3093, 65013), (5001, 40209), (9279, 21671), (13403, 15003)]

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