About the Number

81572145

81572144 ← → 81572146

2進数表記:100110111001011000100110001

漢数字表記:八千百五十七万二千百四十五

素因数分解:

3 1 × 5 1 × 23 1 × 101 1 × 2341 1

素因数の和:2473
約数の個数: 32
約数和(自身を含む): 137597184
約数和(自身を除く): 56025039

約数列:
[1, 3, 5, 15, 23, 69, 101, 115, 303, 345, 505, 1515, 2323, 2341, 6969, 7023, 11615, 11705, 34845, 35115, 53843, 161529, 236441, 269215, 709323, 807645, 1182205, 3546615, 5438143, 16314429, 27190715, 81572145]

約数ペア:
[(1, 81572145), (3, 27190715), (5, 16314429), (15, 5438143), (23, 3546615), (69, 1182205), (101, 807645), (115, 709323), (303, 269215), (345, 236441), (505, 161529), (1515, 53843), (2323, 35115), (2341, 34845), (6969, 11705), (7023, 11615)]

このpageの処理時間: 0.01043081283569336 seconds