509931933

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1\times {\mathrm{991}}^1$

素因数の和:1337

約数の個数: 32

約数和(自身を含む): 788520960

約数和(自身を除く): 278589027

約数列:

[1, 3, 7, 21, 107, 229, 321, 687, 749, 991, 1603, 2247, 2973, 4809, 6937, 20811, 24503, 73509, 106037, 171521, 226939, 318111, 514563, 680817, 742259, 1588573, 2226777, 4765719, 24282473, 72847419, 169977311, 509931933]

約数ペア:

[(1, 509931933), (3, 169977311), (7, 72847419), (21, 24282473), (107, 4765719), (229, 2226777), (321, 1588573), (687, 742259), (749, 680817), (991, 514563), (1603, 318111), (2247, 226939), (2973, 171521), (4809, 106037), (6937, 73509), (20811, 24503)]