178233471

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{80177}}^1$

素因数の和:80215

約数の個数: 24

約数和(自身を含む): 291847920

約数和(自身を除く): 113614449

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 80177, 240531, 721593, 1042301, 1523363, 3126903, 4570089, 9380709, 13710267, 19803719, 59411157, 178233471]

約数ペア:

[(1, 178233471), (3, 59411157), (9, 19803719), (13, 13710267), (19, 9380709), (39, 4570089), (57, 3126903), (117, 1523363), (171, 1042301), (247, 721593), (741, 240531), (2223, 80177)]