27991197

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4691}}^1$

素因数の和:4730

約数の個数: 32

約数和(自身を含む): 47295360

約数和(自身を除く): 19304163

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 4691, 5967, 14073, 42219, 60983, 79747, 126657, 182949, 239241, 548847, 717723, 1036711, 1646541, 2153169, 3110133, 9330399, 27991197]

約数ペア:

[(1, 27991197), (3, 9330399), (9, 3110133), (13, 2153169), (17, 1646541), (27, 1036711), (39, 717723), (51, 548847), (117, 239241), (153, 182949), (221, 126657), (351, 79747), (459, 60983), (663, 42219), (1989, 14073), (4691, 5967)]