208460025

素因数分解:

$3^2\times 5^2\times {\mathrm{926489}}^1$

素因数の和:926505

約数の個数: 18

約数和(自身を含む): 373375470

約数和(自身を除く): 164915445

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 926489, 2779467, 4632445, 8338401, 13897335, 23162225, 41692005, 69486675, 208460025]

約数ペア:

[(1, 208460025), (3, 69486675), (5, 41692005), (9, 23162225), (15, 13897335), (25, 8338401), (45, 4632445), (75, 2779467), (225, 926489)]