211033151

素因数分解:

$7^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:364

約数の個数: 32

約数和(自身を含む): 258048000

約数和(自身を除く): 47014849

約数列:

[1, 7, 31, 49, 89, 217, 223, 343, 623, 1519, 1561, 2759, 4361, 6913, 10633, 10927, 19313, 19847, 30527, 48391, 76489, 135191, 138929, 338737, 615257, 946337, 972503, 2371159, 4306799, 6807521, 30147593, 211033151]

約数ペア:

[(1, 211033151), (7, 30147593), (31, 6807521), (49, 4306799), (89, 2371159), (217, 972503), (223, 946337), (343, 615257), (623, 338737), (1519, 138929), (1561, 135191), (2759, 76489), (4361, 48391), (6913, 30527), (10633, 19847), (10927, 19313)]