About the Number

139680081

139680080 ← → 139680082

2進数表記:1000010100110101100101010001

漢数字表記:一億三千九百六十八万八十一

素因数分解:

3 2 × 23 1 × 59 1 × 11437 1

素因数の和:11525
約数の個数: 24
約数和(自身を含む): 214119360
約数和(自身を除く): 74439279

約数列:
[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 4071, 11437, 12213, 34311, 102933, 263051, 674783, 789153, 2024349, 2367459, 6073047, 15520009, 46560027, 139680081]

約数ペア:
[(1, 139680081), (3, 46560027), (9, 15520009), (23, 6073047), (59, 2367459), (69, 2024349), (177, 789153), (207, 674783), (531, 263051), (1357, 102933), (4071, 34311), (11437, 12213)]

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