245432889

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{3623}}^1$

素因数の和:3838

約数の個数: 32

約数和(自身を含む): 393711360

約数和(自身を除く): 148278471

約数列:

[1, 3, 9, 13, 27, 39, 117, 193, 351, 579, 1737, 2509, 3623, 5211, 7527, 10869, 22581, 32607, 47099, 67743, 97821, 141297, 423891, 699239, 1271673, 2097717, 6293151, 9090107, 18879453, 27270321, 81810963, 245432889]

約数ペア:

[(1, 245432889), (3, 81810963), (9, 27270321), (13, 18879453), (27, 9090107), (39, 6293151), (117, 2097717), (193, 1271673), (351, 699239), (579, 423891), (1737, 141297), (2509, 97821), (3623, 67743), (5211, 47099), (7527, 32607), (10869, 22581)]