28268535

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6521}}^1$

素因数の和:6563

約数の個数: 24

約数和(自身を含む): 48054096

約数和(自身を除く): 19785561

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 6521, 19563, 32605, 97815, 110857, 332571, 554285, 1662855, 1884569, 5653707, 9422845, 28268535]

約数ペア:

[(1, 28268535), (3, 9422845), (5, 5653707), (15, 1884569), (17, 1662855), (51, 554285), (85, 332571), (255, 110857), (289, 97815), (867, 32605), (1445, 19563), (4335, 6521)]