About the Number

142021881

142021880 ← → 142021882

2進数表記:1000011101110001010011111001

漢数字表記:一億四千二百二万千八百八十一

素因数分解:

3 2 × 31 1 × 83 1 × 6133 1

素因数の和:6253
約数の個数: 24
約数和(自身を含む): 214346496
約数和(自身を除く): 72324615

約数列:
[1, 3, 9, 31, 83, 93, 249, 279, 747, 2573, 6133, 7719, 18399, 23157, 55197, 190123, 509039, 570369, 1527117, 1711107, 4581351, 15780209, 47340627, 142021881]

約数ペア:
[(1, 142021881), (3, 47340627), (9, 15780209), (31, 4581351), (83, 1711107), (93, 1527117), (249, 570369), (279, 509039), (747, 190123), (2573, 55197), (6133, 23157), (7719, 18399)]

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