About the Number

1380149757

1380149756 ← → 1380149758

2進数表記:1010010010000110110100111111101

漢数字表記:十三億八千十四万九千七百五十七

素因数分解:

3 2 × 7 1 × 797 1 × 27487 1

素因数の和:28297
約数の個数: 24
約数和(自身を含む): 2281284096
約数和(自身を除く): 901134339

約数列:
[1, 3, 7, 9, 21, 63, 797, 2391, 5579, 7173, 16737, 27487, 50211, 82461, 192409, 247383, 577227, 1731681, 21907139, 65721417, 153349973, 197164251, 460049919, 1380149757]

約数ペア:
[(1, 1380149757), (3, 460049919), (7, 197164251), (9, 153349973), (21, 65721417), (63, 21907139), (797, 1731681), (2391, 577227), (5579, 247383), (7173, 192409), (16737, 82461), (27487, 50211)]

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