About the Number

201090045

201090044 ← → 201090046

2進数表記:1011111111000110001111111101

漢数字表記:二億百九万四十五

素因数分解:

3 1 × 5 1 × 13 1 × 1031231 1

素因数の和:1031252
約数の個数: 16
約数和(自身を含む): 346493952
約数和(自身を除く): 145403907

約数列:
[1, 3, 5, 13, 15, 39, 65, 195, 1031231, 3093693, 5156155, 13406003, 15468465, 40218009, 67030015, 201090045]

約数ペア:
[(1, 201090045), (3, 67030015), (5, 40218009), (13, 15468465), (15, 13406003), (39, 5156155), (65, 3093693), (195, 1031231)]

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