820323

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 1404000

約数和(自身を除く): 583677

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 449, 609, 1347, 1827, 3143, 4041, 9429, 13021, 28287, 39063, 91147, 117189, 273441, 820323]

約数ペア:

[(1, 820323), (3, 273441), (7, 117189), (9, 91147), (21, 39063), (29, 28287), (63, 13021), (87, 9429), (203, 4041), (261, 3143), (449, 1827), (609, 1347)]