55720143

素因数分解:

$3^5\times {\mathrm{107}}^1\times {\mathrm{2143}}^1$

素因数の和:2265

約数の個数: 24

約数和(自身を含む): 84284928

約数和(自身を除く): 28564785

約数列:

[1, 3, 9, 27, 81, 107, 243, 321, 963, 2143, 2889, 6429, 8667, 19287, 26001, 57861, 173583, 229301, 520749, 687903, 2063709, 6191127, 18573381, 55720143]

約数ペア:

[(1, 55720143), (3, 18573381), (9, 6191127), (27, 2063709), (81, 687903), (107, 520749), (243, 229301), (321, 173583), (963, 57861), (2143, 26001), (2889, 19287), (6429, 8667)]