About the Number

139821891

139821890 ← → 139821892

2進数表記:1000010101011000001101000011

漢数字表記:一億三千九百八十二万千八百九十一

素因数分解:

3 1 × 11 1 × 1889 1 × 2243 1

素因数の和:4146
約数の個数: 16
約数和(自身を含む): 203575680
約数和(自身を除く): 63753789

約数列:
[1, 3, 11, 33, 1889, 2243, 5667, 6729, 20779, 24673, 62337, 74019, 4237027, 12711081, 46607297, 139821891]

約数ペア:
[(1, 139821891), (3, 46607297), (11, 12711081), (33, 4237027), (1889, 74019), (2243, 62337), (5667, 24673), (6729, 20779)]

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