About the Number

81009441

81009440 ← → 81009442

2進数表記:100110101000001101100100001

漢数字表記:八千百万九千四百四十一

素因数分解:

3 2 × 29 1 × 211 1 × 1471 1

素因数の和:1717
約数の個数: 24
約数和(自身を含む): 121704960
約数和(自身を除く): 40695519

約数列:
[1, 3, 9, 29, 87, 211, 261, 633, 1471, 1899, 4413, 6119, 13239, 18357, 42659, 55071, 127977, 310381, 383931, 931143, 2793429, 9001049, 27003147, 81009441]

約数ペア:
[(1, 81009441), (3, 27003147), (9, 9001049), (29, 2793429), (87, 931143), (211, 383931), (261, 310381), (633, 127977), (1471, 55071), (1899, 42659), (4413, 18357), (6119, 13239)]

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