About the Number

61030989

61030988 ← → 61030990

2進数表記:11101000110100001001001101

漢数字表記:六千百三万九百八十九

素因数分解:

3 4 × 269 1 × 2801 1

素因数の和:3082
約数の個数: 20
約数和(自身を含む): 91541340
約数和(自身を除く): 30510351

約数列:
[1, 3, 9, 27, 81, 269, 807, 2421, 2801, 7263, 8403, 21789, 25209, 75627, 226881, 753469, 2260407, 6781221, 20343663, 61030989]

約数ペア:
[(1, 61030989), (3, 20343663), (9, 6781221), (27, 2260407), (81, 753469), (269, 226881), (807, 75627), (2421, 25209), (2801, 21789), (7263, 8403)]

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