247659321

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{10193}}^1$

素因数の和:10305

約数の個数: 32

約数和(自身を含む): 411022080

約数和(自身を除く): 163362759

約数列:

[1, 3, 7, 13, 21, 39, 89, 91, 267, 273, 623, 1157, 1869, 3471, 8099, 10193, 24297, 30579, 71351, 132509, 214053, 397527, 907177, 927563, 2721531, 2782689, 6350239, 11793301, 19050717, 35379903, 82553107, 247659321]

約数ペア:

[(1, 247659321), (3, 82553107), (7, 35379903), (13, 19050717), (21, 11793301), (39, 6350239), (89, 2782689), (91, 2721531), (267, 927563), (273, 907177), (623, 397527), (1157, 214053), (1869, 132509), (3471, 71351), (8099, 30579), (10193, 24297)]