About the Number

12989691

12989690 ← → 12989692

2進数表記:110001100011010011111011

漢数字表記:千二百九十八万九千六百九十一

素因数分解:

3 2 × 11 1 × 13 1 × 10093 1

素因数の和:10123
約数の個数: 24
約数和(自身を含む): 22045296
約数和(自身を除く): 9055605

約数列:
[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 10093, 30279, 90837, 111023, 131209, 333069, 393627, 999207, 1180881, 1443299, 4329897, 12989691]

約数ペア:
[(1, 12989691), (3, 4329897), (9, 1443299), (11, 1180881), (13, 999207), (33, 393627), (39, 333069), (99, 131209), (117, 111023), (143, 90837), (429, 30279), (1287, 10093)]

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