About the Number

200016081

200016080 ← → 200016082

2進数表記:1011111011000000000011010001

漢数字表記:二億一万六千八十一

素因数分解:

3 3 × 41 1 × 281 1 × 643 1

素因数の和:974
約数の個数: 32
約数和(自身を含む): 305101440
約数和(自身を除く): 105085359

約数列:
[1, 3, 9, 27, 41, 123, 281, 369, 643, 843, 1107, 1929, 2529, 5787, 7587, 11521, 17361, 26363, 34563, 79089, 103689, 180683, 237267, 311067, 542049, 711801, 1626147, 4878441, 7408003, 22224009, 66672027, 200016081]

約数ペア:
[(1, 200016081), (3, 66672027), (9, 22224009), (27, 7408003), (41, 4878441), (123, 1626147), (281, 711801), (369, 542049), (643, 311067), (843, 237267), (1107, 180683), (1929, 103689), (2529, 79089), (5787, 34563), (7587, 26363), (11521, 17361)]

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