About the Number

71328789

71328788 ← → 71328790

2進数表記:100010000000110010000010101

漢数字表記:七千百三十二万八千七百八十九

素因数分解:

3 3 × 7 1 × 83 1 × 4547 1

素因数の和:4646
約数の個数: 32
約数和(自身を含む): 122250240
約数和(自身を除く): 50921451

約数列:
[1, 3, 7, 9, 21, 27, 63, 83, 189, 249, 581, 747, 1743, 2241, 4547, 5229, 13641, 15687, 31829, 40923, 95487, 122769, 286461, 377401, 859383, 1132203, 2641807, 3396609, 7925421, 10189827, 23776263, 71328789]

約数ペア:
[(1, 71328789), (3, 23776263), (7, 10189827), (9, 7925421), (21, 3396609), (27, 2641807), (63, 1132203), (83, 859383), (189, 377401), (249, 286461), (581, 122769), (747, 95487), (1743, 40923), (2241, 31829), (4547, 15687), (5229, 13641)]

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