487480959

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{15569}}^1$

素因数の和:15660

約数の個数: 36

約数和(自身を含む): 830690640

約数和(自身を除く): 343209681

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 1491, 3479, 4473, 10437, 15569, 31311, 46707, 108983, 140121, 326949, 762881, 980847, 1105399, 2288643, 3316197, 6865929, 7737793, 9948591, 23213379, 54164551, 69640137, 162493653, 487480959]

約数ペア:

[(1, 487480959), (3, 162493653), (7, 69640137), (9, 54164551), (21, 23213379), (49, 9948591), (63, 7737793), (71, 6865929), (147, 3316197), (213, 2288643), (441, 1105399), (497, 980847), (639, 762881), (1491, 326949), (3479, 140121), (4473, 108983), (10437, 46707), (15569, 31311)]