40637259

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20431}}^1$

素因数の和:20467

約数の個数: 24

約数和(自身を含む): 66935232

約数和(自身を除く): 26297973

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 20431, 61293, 183879, 265603, 347327, 796809, 1041981, 2390427, 3125943, 4515251, 13545753, 40637259]

約数ペア:

[(1, 40637259), (3, 13545753), (9, 4515251), (13, 3125943), (17, 2390427), (39, 1041981), (51, 796809), (117, 347327), (153, 265603), (221, 183879), (663, 61293), (1989, 20431)]