About the Number

129809079

129809078 ← → 129809080

2進数表記:111101111001011101010110111

漢数字表記:一億二千九百八十万九千七十九

素因数分解:

3 2 × 23 1 × 131 1 × 4787 1

素因数の和:4947
約数の個数: 24
約数和(自身を含む): 197188992
約数和(自身を除く): 67379913

約数列:
[1, 3, 9, 23, 69, 131, 207, 393, 1179, 3013, 4787, 9039, 14361, 27117, 43083, 110101, 330303, 627097, 990909, 1881291, 5643873, 14423231, 43269693, 129809079]

約数ペア:
[(1, 129809079), (3, 43269693), (9, 14423231), (23, 5643873), (69, 1881291), (131, 990909), (207, 627097), (393, 330303), (1179, 110101), (3013, 43083), (4787, 27117), (9039, 14361)]

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