About the Number

243490581

243490580 ← → 243490582

2進数表記:1110100000110101111100010101

漢数字表記:二億四千三百四十九万五百八十一

素因数分解:

3 2 × 23 1 × 59 1 × 19937 1

素因数の和:20025
約数の個数: 24
約数和(自身を含む): 373239360
約数和(自身を除く): 129748779

約数列:
[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 4071, 12213, 19937, 59811, 179433, 458551, 1176283, 1375653, 3528849, 4126959, 10586547, 27054509, 81163527, 243490581]

約数ペア:
[(1, 243490581), (3, 81163527), (9, 27054509), (23, 10586547), (59, 4126959), (69, 3528849), (177, 1375653), (207, 1176283), (531, 458551), (1357, 179433), (4071, 59811), (12213, 19937)]

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