2257185

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 4366656

約数和(自身を除く): 2109471

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 49, 83, 105, 111, 147, 185, 245, 249, 259, 415, 555, 581, 735, 777, 1245, 1295, 1743, 1813, 2905, 3071, 3885, 4067, 5439, 8715, 9065, 9213, 12201, 15355, 20335, 21497, 27195, 46065, 61005, 64491, 107485, 150479, 322455, 451437, 752395, 2257185]

約数ペア:

[(1, 2257185), (3, 752395), (5, 451437), (7, 322455), (15, 150479), (21, 107485), (35, 64491), (37, 61005), (49, 46065), (83, 27195), (105, 21497), (111, 20335), (147, 15355), (185, 12201), (245, 9213), (249, 9065), (259, 8715), (415, 5439), (555, 4067), (581, 3885), (735, 3071), (777, 2905), (1245, 1813), (1295, 1743)]