27857445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 28544475

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 89, 105, 165, 231, 267, 271, 385, 445, 623, 813, 979, 1155, 1335, 1355, 1869, 1897, 2937, 2981, 3115, 4065, 4895, 5691, 6853, 8943, 9345, 9485, 14685, 14905, 20559, 20867, 24119, 28455, 34265, 44715, 62601, 72357, 102795, 104335, 120595, 168833, 265309, 313005, 361785, 506499, 795927, 844165, 1326545, 1857163, 2532495, 3979635, 5571489, 9285815, 27857445]

約数ペア:

[(1, 27857445), (3, 9285815), (5, 5571489), (7, 3979635), (11, 2532495), (15, 1857163), (21, 1326545), (33, 844165), (35, 795927), (55, 506499), (77, 361785), (89, 313005), (105, 265309), (165, 168833), (231, 120595), (267, 104335), (271, 102795), (385, 72357), (445, 62601), (623, 44715), (813, 34265), (979, 28455), (1155, 24119), (1335, 20867), (1355, 20559), (1869, 14905), (1897, 14685), (2937, 9485), (2981, 9345), (3115, 8943), (4065, 6853), (4895, 5691)]