78492009

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 116363520

約数和(自身を除く): 37871511

約数列:

[1, 3, 17, 29, 51, 73, 87, 219, 493, 727, 1241, 1479, 2117, 2181, 3723, 6351, 12359, 21083, 35989, 37077, 53071, 63249, 107967, 159213, 358411, 902207, 1075233, 1539059, 2706621, 4617177, 26164003, 78492009]

約数ペア:

[(1, 78492009), (3, 26164003), (17, 4617177), (29, 2706621), (51, 1539059), (73, 1075233), (87, 902207), (219, 358411), (493, 159213), (727, 107967), (1241, 63249), (1479, 53071), (2117, 37077), (2181, 35989), (3723, 21083), (6351, 12359)]