About the Number

138991107

138991106 ← → 138991108

2進数表記:1000010010001101011000000011

漢数字表記:一億三千八百九十九万千百七

素因数分解:

3 1 × 41 1 × 571 1 × 1979 1

素因数の和:2594
約数の個数: 16
約数和(自身を含む): 190270080
約数和(自身を除く): 51278973

約数列:
[1, 3, 41, 123, 571, 1713, 1979, 5937, 23411, 70233, 81139, 243417, 1130009, 3390027, 46330369, 138991107]

約数ペア:
[(1, 138991107), (3, 46330369), (41, 3390027), (123, 1130009), (571, 243417), (1713, 81139), (1979, 70233), (5937, 23411)]

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