31431453

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 47232000

約数和(自身を除く): 15800547

約数列:

[1, 3, 17, 19, 51, 57, 163, 199, 323, 489, 597, 969, 2771, 3097, 3383, 3781, 8313, 9291, 10149, 11343, 32437, 52649, 64277, 97311, 157947, 192831, 551429, 616303, 1654287, 1848909, 10477151, 31431453]

約数ペア:

[(1, 31431453), (3, 10477151), (17, 1848909), (19, 1654287), (51, 616303), (57, 551429), (163, 192831), (199, 157947), (323, 97311), (489, 64277), (597, 52649), (969, 32437), (2771, 11343), (3097, 10149), (3383, 9291), (3781, 8313)]