51145017

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 91914240

約数和(自身を除く): 40769223

約数列:

[1, 3, 7, 11, 19, 21, 33, 43, 57, 77, 129, 133, 209, 231, 271, 301, 399, 473, 627, 813, 817, 903, 1419, 1463, 1897, 2451, 2981, 3311, 4389, 5149, 5691, 5719, 8943, 8987, 9933, 11653, 15447, 17157, 20867, 26961, 34959, 36043, 56639, 62601, 62909, 81571, 108129, 128183, 169917, 188727, 221407, 244713, 384549, 396473, 664221, 897281, 1189419, 1549849, 2435477, 2691843, 4649547, 7306431, 17048339, 51145017]

約数ペア:

[(1, 51145017), (3, 17048339), (7, 7306431), (11, 4649547), (19, 2691843), (21, 2435477), (33, 1549849), (43, 1189419), (57, 897281), (77, 664221), (129, 396473), (133, 384549), (209, 244713), (231, 221407), (271, 188727), (301, 169917), (399, 128183), (473, 108129), (627, 81571), (813, 62909), (817, 62601), (903, 56639), (1419, 36043), (1463, 34959), (1897, 26961), (2451, 20867), (2981, 17157), (3311, 15447), (4389, 11653), (5149, 9933), (5691, 8987), (5719, 8943)]