About the Number

81001272

81001271 ← → 81001273

2進数表記:100110100111111101100111000

漢数字表記:八千百万千二百七十二

素因数分解:

2 3 × 3 1 × 11 2 × 27893 1

素因数の和:27924
約数の個数: 48
約数和(自身を含む): 222594120
約数和(自身を除く): 141592848

約数列:
[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 121, 132, 242, 264, 363, 484, 726, 968, 1452, 2904, 27893, 55786, 83679, 111572, 167358, 223144, 306823, 334716, 613646, 669432, 920469, 1227292, 1840938, 2454584, 3375053, 3681876, 6750106, 7363752, 10125159, 13500212, 20250318, 27000424, 40500636, 81001272]

約数ペア:
[(1, 81001272), (2, 40500636), (3, 27000424), (4, 20250318), (6, 13500212), (8, 10125159), (11, 7363752), (12, 6750106), (22, 3681876), (24, 3375053), (33, 2454584), (44, 1840938), (66, 1227292), (88, 920469), (121, 669432), (132, 613646), (242, 334716), (264, 306823), (363, 223144), (484, 167358), (726, 111572), (968, 83679), (1452, 55786), (2904, 27893)]

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