390919599

素因数分解:

$3^2\times 7^2\times {\mathrm{73}}^1\times {\mathrm{12143}}^1$

素因数の和:12236

約数の個数: 36

約数和(自身を含む): 665904096

約数和(自身を除く): 274984497

約数列:

[1, 3, 7, 9, 21, 49, 63, 73, 147, 219, 441, 511, 657, 1533, 3577, 4599, 10731, 12143, 32193, 36429, 85001, 109287, 255003, 595007, 765009, 886439, 1785021, 2659317, 5355063, 6205073, 7977951, 18615219, 43435511, 55845657, 130306533, 390919599]

約数ペア:

[(1, 390919599), (3, 130306533), (7, 55845657), (9, 43435511), (21, 18615219), (49, 7977951), (63, 6205073), (73, 5355063), (147, 2659317), (219, 1785021), (441, 886439), (511, 765009), (657, 595007), (1533, 255003), (3577, 109287), (4599, 85001), (10731, 36429), (12143, 32193)]