447279

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:107

約数の個数: 24

約数和(自身を含む): 731520

約数和(自身を除く): 284241

約数列:

[1, 3, 7, 19, 21, 57, 59, 133, 177, 361, 399, 413, 1083, 1121, 1239, 2527, 3363, 7581, 7847, 21299, 23541, 63897, 149093, 447279]

約数ペア:

[(1, 447279), (3, 149093), (7, 63897), (19, 23541), (21, 21299), (57, 7847), (59, 7581), (133, 3363), (177, 2527), (361, 1239), (399, 1121), (413, 1083)]