About the Number

131142285

131142284 ← → 131142286

2進数表記:111110100010001001010001101

漢数字表記:一億三千百十四万二千二百八十五

素因数分解:

3 2 × 5 1 × 929 1 × 3137 1

素因数の和:4077
約数の個数: 24
約数和(自身を含む): 227630520
約数和(自身を除く): 96488235

約数列:
[1, 3, 5, 9, 15, 45, 929, 2787, 3137, 4645, 8361, 9411, 13935, 15685, 28233, 41805, 47055, 141165, 2914273, 8742819, 14571365, 26228457, 43714095, 131142285]

約数ペア:
[(1, 131142285), (3, 43714095), (5, 26228457), (9, 14571365), (15, 8742819), (45, 2914273), (929, 141165), (2787, 47055), (3137, 41805), (4645, 28233), (8361, 15685), (9411, 13935)]

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