664155219

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{7219}}^1$

素因数の和:7579

約数の個数: 32

約数和(自身を含む): 1093281280

約数和(自身を除く): 429126061

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 337, 1011, 2359, 4381, 7077, 7219, 13143, 21657, 30667, 50533, 92001, 93847, 151599, 281541, 656929, 1970787, 2432803, 7298409, 17029621, 31626439, 51088863, 94879317, 221385073, 664155219]

約数ペア:

[(1, 664155219), (3, 221385073), (7, 94879317), (13, 51088863), (21, 31626439), (39, 17029621), (91, 7298409), (273, 2432803), (337, 1970787), (1011, 656929), (2359, 281541), (4381, 151599), (7077, 93847), (7219, 92001), (13143, 50533), (21657, 30667)]