About the Number

213157089

213157088 ← → 213157090

2進数表記:1100101101001000010011100001

漢数字表記:二億千三百十五万七千八十九

素因数分解:

3 4 × 79 1 × 33311 1

素因数の和:33402
約数の個数: 20
約数和(自身を含む): 322460160
約数和(自身を除く): 109303071

約数列:
[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 33311, 99933, 299799, 899397, 2631569, 2698191, 7894707, 23684121, 71052363, 213157089]

約数ペア:
[(1, 213157089), (3, 71052363), (9, 23684121), (27, 7894707), (79, 2698191), (81, 2631569), (237, 899397), (711, 299799), (2133, 99933), (6399, 33311)]

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