28312905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{111031}}^1$

素因数の和:111056

約数の個数: 16

約数和(自身を含む): 47965824

約数和(自身を除く): 19652919

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 111031, 333093, 555155, 1665465, 1887527, 5662581, 9437635, 28312905]

約数ペア:

[(1, 28312905), (3, 9437635), (5, 5662581), (15, 1887527), (17, 1665465), (51, 555155), (85, 333093), (255, 111031)]