About the Number

201390256809

201390256808 ← → 201390256810

2進数表記:10111011100011110010110111001010101001

漢数字表記:二千十三億九千二十五万六千八百九

素因数分解:

3 2 × 7 2 × 271 1 × 1685119 1

素因数の和:1685410
約数の個数: 36
約数和(自身を含む): 339639306240
約数和(自身を除く): 138249049431

約数列:
[1, 3, 7, 9, 21, 49, 63, 147, 271, 441, 813, 1897, 2439, 5691, 13279, 17073, 39837, 119511, 1685119, 5055357, 11795833, 15166071, 35387499, 82570831, 106162497, 247712493, 456667249, 743137479, 1370001747, 3196670743, 4110005241, 9590012229, 22376695201, 28770036687, 67130085603, 201390256809]

約数ペア:
[(1, 201390256809), (3, 67130085603), (7, 28770036687), (9, 22376695201), (21, 9590012229), (49, 4110005241), (63, 3196670743), (147, 1370001747), (271, 743137479), (441, 456667249), (813, 247712493), (1897, 106162497), (2439, 82570831), (5691, 35387499), (13279, 15166071), (17073, 11795833), (39837, 5055357), (119511, 1685119)]

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