285201

素因数分解:

$3^4\times 7^1\times {\mathrm{503}}^1$

素因数の和:522

約数の個数: 20

約数和(自身を含む): 487872

約数和(自身を除く): 202671

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 503, 567, 1509, 3521, 4527, 10563, 13581, 31689, 40743, 95067, 285201]

約数ペア:

[(1, 285201), (3, 95067), (7, 40743), (9, 31689), (21, 13581), (27, 10563), (63, 4527), (81, 3521), (189, 1509), (503, 567)]