28437723

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{8563}}^1$

素因数の和:8616

約数の個数: 20

約数和(自身を含む): 43522248

約数和(自身を除く): 15084525

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 8563, 25689, 77067, 231201, 351083, 693603, 1053249, 3159747, 9479241, 28437723]

約数ペア:

[(1, 28437723), (3, 9479241), (9, 3159747), (27, 1053249), (41, 693603), (81, 351083), (123, 231201), (369, 77067), (1107, 25689), (3321, 8563)]