About the Number

142805889

142805888 ← → 142805890

2進数表記:1000100000110000101110000001

漢数字表記:一億四千二百八十万五千八百八十九

素因数分解:

3 3 × 29 1 × 271 1 × 673 1

素因数の和:982
約数の個数: 32
約数和(自身を含む): 219993600
約数和(自身を除く): 77187711

約数列:
[1, 3, 9, 27, 29, 87, 261, 271, 673, 783, 813, 2019, 2439, 6057, 7317, 7859, 18171, 19517, 23577, 58551, 70731, 175653, 182383, 212193, 526959, 547149, 1641447, 4924341, 5289107, 15867321, 47601963, 142805889]

約数ペア:
[(1, 142805889), (3, 47601963), (9, 15867321), (27, 5289107), (29, 4924341), (87, 1641447), (261, 547149), (271, 526959), (673, 212193), (783, 182383), (813, 175653), (2019, 70731), (2439, 58551), (6057, 23577), (7317, 19517), (7859, 18171)]

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