1247287887

素因数分解:

$3^2\times {\mathrm{211}}^1\times {\mathrm{337}}^1\times {\mathrm{1949}}^1$

素因数の和:2503

約数の個数: 24

約数和(自身を含む): 1816479600

約数和(自身を除く): 569191713

約数列:

[1, 3, 9, 211, 337, 633, 1011, 1899, 1949, 3033, 5847, 17541, 71107, 213321, 411239, 639963, 656813, 1233717, 1970439, 3701151, 5911317, 138587543, 415762629, 1247287887]

約数ペア:

[(1, 1247287887), (3, 415762629), (9, 138587543), (211, 5911317), (337, 3701151), (633, 1970439), (1011, 1233717), (1899, 656813), (1949, 639963), (3033, 411239), (5847, 213321), (17541, 71107)]