About the Number

2107989

2107988 ← → 2107990

2進数表記:1000000010101001010101

漢数字表記:二百十万七千九百八十九

素因数分解:

3 2 × 13 1 × 43 1 × 419 1

素因数の和:481
約数の個数: 24
約数和(自身を含む): 3363360
約数和(自身を除く): 1255371

約数列:
[1, 3, 9, 13, 39, 43, 117, 129, 387, 419, 559, 1257, 1677, 3771, 5031, 5447, 16341, 18017, 49023, 54051, 162153, 234221, 702663, 2107989]

約数ペア:
[(1, 2107989), (3, 702663), (9, 234221), (13, 162153), (39, 54051), (43, 49023), (117, 18017), (129, 16341), (387, 5447), (419, 5031), (559, 3771), (1257, 1677)]

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