268355217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{9413}}^1$

素因数の和:9489

約数の個数: 32

約数和(自身を含む): 417529728

約数和(自身を除く): 149174511

約数列:

[1, 3, 13, 17, 39, 43, 51, 129, 221, 559, 663, 731, 1677, 2193, 9413, 9503, 28239, 28509, 122369, 160021, 367107, 404759, 480063, 1214277, 2080273, 5261867, 6240819, 6880903, 15785601, 20642709, 89451739, 268355217]

約数ペア:

[(1, 268355217), (3, 89451739), (13, 20642709), (17, 15785601), (39, 6880903), (43, 6240819), (51, 5261867), (129, 2080273), (221, 1214277), (559, 480063), (663, 404759), (731, 367107), (1677, 160021), (2193, 122369), (9413, 28509), (9503, 28239)]