71839143

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{38561}}^1$

素因数の和:38596

約数の個数: 20

約数和(自身を含む): 111984048

約数和(自身を除く): 40144905

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 38561, 115683, 347049, 886903, 1041147, 2660709, 3123441, 7982127, 23946381, 71839143]

約数ペア:

[(1, 71839143), (3, 23946381), (9, 7982127), (23, 3123441), (27, 2660709), (69, 1041147), (81, 886903), (207, 347049), (621, 115683), (1863, 38561)]