About the Number

28129023

28129022 ← → 28129024

2進数表記:1101011010011011011111111

漢数字表記:二千八百十二万九千二十三

素因数分解:

3 2 × 13 1 × 23 1 × 10453 1

素因数の和:10495
約数の個数: 24
約数和(自身を含む): 45663072
約数和(自身を除く): 17534049

約数列:
[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 10453, 31359, 94077, 135889, 240419, 407667, 721257, 1223001, 2163771, 3125447, 9376341, 28129023]

約数ペア:
[(1, 28129023), (3, 9376341), (9, 3125447), (13, 2163771), (23, 1223001), (39, 721257), (69, 407667), (117, 240419), (207, 135889), (299, 94077), (897, 31359), (2691, 10453)]

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