258304887

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{547}}^1\times {\mathrm{739}}^1$

素因数の和:1363

約数の個数: 24

約数和(自身を含む): 379566720

約数和(自身を除く): 121261833

約数列:

[1, 3, 9, 71, 213, 547, 639, 739, 1641, 2217, 4923, 6651, 38837, 52469, 116511, 157407, 349533, 404233, 472221, 1212699, 3638097, 28700543, 86101629, 258304887]

約数ペア:

[(1, 258304887), (3, 86101629), (9, 28700543), (71, 3638097), (213, 1212699), (547, 472221), (639, 404233), (739, 349533), (1641, 157407), (2217, 116511), (4923, 52469), (6651, 38837)]