51538641

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31873}}^1$

素因数の和:31901

約数の個数: 24

約数和(自身を含む): 87207264

約数和(自身を除く): 35668623

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 31873, 95619, 223111, 350603, 669333, 1051809, 1561777, 2454221, 4685331, 7362663, 17179547, 51538641]

約数ペア:

[(1, 51538641), (3, 17179547), (7, 7362663), (11, 4685331), (21, 2454221), (33, 1561777), (49, 1051809), (77, 669333), (147, 350603), (231, 223111), (539, 95619), (1617, 31873)]