320397

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:113

約数の個数: 32

約数和(自身を含む): 568320

約数和(自身を除く): 247923

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 73, 77, 133, 209, 219, 231, 399, 511, 627, 803, 1387, 1463, 1533, 2409, 4161, 4389, 5621, 9709, 15257, 16863, 29127, 45771, 106799, 320397]

約数ペア:

[(1, 320397), (3, 106799), (7, 45771), (11, 29127), (19, 16863), (21, 15257), (33, 9709), (57, 5621), (73, 4389), (77, 4161), (133, 2409), (209, 1533), (219, 1463), (231, 1387), (399, 803), (511, 627)]