31420185

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1585

約数の個数: 32

約数和(自身を含む): 53353728

約数和(自身を除く): 21933543

約数列:

[1, 3, 5, 15, 23, 61, 69, 115, 183, 305, 345, 915, 1403, 1493, 4209, 4479, 7015, 7465, 21045, 22395, 34339, 91073, 103017, 171695, 273219, 455365, 515085, 1366095, 2094679, 6284037, 10473395, 31420185]

約数ペア:

[(1, 31420185), (3, 10473395), (5, 6284037), (15, 2094679), (23, 1366095), (61, 515085), (69, 455365), (115, 273219), (183, 171695), (305, 103017), (345, 91073), (915, 34339), (1403, 22395), (1493, 21045), (4209, 7465), (4479, 7015)]