128577885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1\times {\mathrm{1123}}^1$

素因数の和:1597

約数の個数: 32

約数和(自身を含む): 218505600

約数和(自身を除く): 89927715

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 449, 1123, 1347, 2245, 3369, 5615, 6735, 7633, 16845, 19091, 22899, 38165, 57273, 95455, 114495, 286365, 504227, 1512681, 2521135, 7563405, 8571859, 25715577, 42859295, 128577885]

約数ペア:

[(1, 128577885), (3, 42859295), (5, 25715577), (15, 8571859), (17, 7563405), (51, 2521135), (85, 1512681), (255, 504227), (449, 286365), (1123, 114495), (1347, 95455), (2245, 57273), (3369, 38165), (5615, 22899), (6735, 19091), (7633, 16845)]