About the Number

125541981

125541980 ← → 125541982

2進数表記:111011110111001111001011101

漢数字表記:一億二千五百五十四万千九百八十一

素因数分解:

3 4 × 23 1 × 79 1 × 853 1

素因数の和:967
約数の個数: 40
約数和(自身を含む): 198401280
約数和(自身を除く): 72859299

約数列:
[1, 3, 9, 23, 27, 69, 79, 81, 207, 237, 621, 711, 853, 1817, 1863, 2133, 2559, 5451, 6399, 7677, 16353, 19619, 23031, 49059, 58857, 67387, 69093, 147177, 176571, 202161, 529713, 606483, 1549901, 1589139, 1819449, 4649703, 5458347, 13949109, 41847327, 125541981]

約数ペア:
[(1, 125541981), (3, 41847327), (9, 13949109), (23, 5458347), (27, 4649703), (69, 1819449), (79, 1589139), (81, 1549901), (207, 606483), (237, 529713), (621, 202161), (711, 176571), (853, 147177), (1817, 69093), (1863, 67387), (2133, 58857), (2559, 49059), (5451, 23031), (6399, 19619), (7677, 16353)]

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