About the Number

2149482015

2149482014 ← → 2149482016

2進数表記:10000000000111100111111000011111

漢数字表記:二十一億四千九百四十八万二千十五

素因数分解:

3 9 × 5 1 × 21841 1

素因数の和:21873
約数の個数: 40
約数和(自身を含む): 3869179248
約数和(自身を除く): 1719697233

約数列:
[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2187, 3645, 6561, 10935, 19683, 21841, 32805, 65523, 98415, 109205, 196569, 327615, 589707, 982845, 1769121, 2948535, 5307363, 8845605, 15922089, 26536815, 47766267, 79610445, 143298801, 238831335, 429896403, 716494005, 2149482015]

約数ペア:
[(1, 2149482015), (3, 716494005), (5, 429896403), (9, 238831335), (15, 143298801), (27, 79610445), (45, 47766267), (81, 26536815), (135, 15922089), (243, 8845605), (405, 5307363), (729, 2948535), (1215, 1769121), (2187, 982845), (3645, 589707), (6561, 327615), (10935, 196569), (19683, 109205), (21841, 98415), (32805, 65523)]

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