About the Number

41381991

41381990 ← → 41381992

2進数表記:10011101110111000001100111

漢数字表記:四千百三十八万千九百九十一

素因数分解:

3 2 × 7 1 × 23 1 × 28559 1

素因数の和:28595
約数の個数: 24
約数和(自身を含む): 71285760
約数和(自身を除く): 29903769

約数列:
[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 28559, 85677, 199913, 257031, 599739, 656857, 1799217, 1970571, 4597999, 5911713, 13793997, 41381991]

約数ペア:
[(1, 41381991), (3, 13793997), (7, 5911713), (9, 4597999), (21, 1970571), (23, 1799217), (63, 656857), (69, 599739), (161, 257031), (207, 199913), (483, 85677), (1449, 28559)]

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