27901797

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 48373248

約数和(自身を除く): 20471451

約数列:

[1, 3, 7, 11, 21, 33, 43, 53, 77, 129, 159, 231, 301, 371, 473, 583, 903, 1113, 1419, 1749, 2279, 2809, 3311, 4081, 6837, 8427, 9933, 12243, 15953, 19663, 25069, 30899, 47859, 58989, 75207, 92697, 120787, 175483, 216293, 362361, 526449, 648879, 845509, 1328657, 2536527, 3985971, 9300599, 27901797]

約数ペア:

[(1, 27901797), (3, 9300599), (7, 3985971), (11, 2536527), (21, 1328657), (33, 845509), (43, 648879), (53, 526449), (77, 362361), (129, 216293), (159, 175483), (231, 120787), (301, 92697), (371, 75207), (473, 58989), (583, 47859), (903, 30899), (1113, 25069), (1419, 19663), (1749, 15953), (2279, 12243), (2809, 9933), (3311, 8427), (4081, 6837)]