About the Number

28715661

28715660 ← → 28715662

2進数表記:1101101100010101010001101

漢数字表記:二千八百七十一万五千六百六十一

素因数分解:

3 3 × 13 1 × 23 1 × 3557 1

素因数の和:3602
約数の個数: 32
約数和(自身を含む): 47819520
約数和(自身を除く): 19103859

約数列:
[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 3557, 8073, 10671, 32013, 46241, 81811, 96039, 138723, 245433, 416169, 736299, 1063543, 1248507, 2208897, 3190629, 9571887, 28715661]

約数ペア:
[(1, 28715661), (3, 9571887), (9, 3190629), (13, 2208897), (23, 1248507), (27, 1063543), (39, 736299), (69, 416169), (117, 245433), (207, 138723), (299, 96039), (351, 81811), (621, 46241), (897, 32013), (2691, 10671), (3557, 8073)]

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