305433359

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{643}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 395673600

約数和(自身を除く): 90240241

約数列:

[1, 7, 11, 31, 77, 199, 217, 341, 643, 1393, 2189, 2387, 4501, 6169, 7073, 15323, 19933, 43183, 49511, 67859, 127957, 139531, 219263, 475013, 895699, 1407527, 1534841, 3966667, 9852689, 27766669, 43633337, 305433359]

約数ペア:

[(1, 305433359), (7, 43633337), (11, 27766669), (31, 9852689), (77, 3966667), (199, 1534841), (217, 1407527), (341, 895699), (643, 475013), (1393, 219263), (2189, 139531), (2387, 127957), (4501, 67859), (6169, 49511), (7073, 43183), (15323, 19933)]