About the Number

201391286391

201391286390 ← → 201391286392

2進数表記:10111011100011110110110010100001110111

漢数字表記:二千十三億九千百二十八万六千三百九十一

素因数分解:

3 3 × 19 1 × 3271 1 × 120017 1

素因数の和:123316
約数の個数: 32
約数和(自身を含む): 314159116800
約数和(自身を除く): 112767830409

約数列:
[1, 3, 9, 19, 27, 57, 171, 513, 3271, 9813, 29439, 62149, 88317, 120017, 186447, 360051, 559341, 1080153, 1678023, 2280323, 3240459, 6840969, 20522907, 61568721, 392575607, 1177726821, 3533180463, 7458936533, 10599541389, 22376809599, 67130428797, 201391286391]

約数ペア:
[(1, 201391286391), (3, 67130428797), (9, 22376809599), (19, 10599541389), (27, 7458936533), (57, 3533180463), (171, 1177726821), (513, 392575607), (3271, 61568721), (9813, 20522907), (29439, 6840969), (62149, 3240459), (88317, 2280323), (120017, 1678023), (186447, 1080153), (360051, 559341)]

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