208530825

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{21893}}^1$

素因数の和:22033

約数の個数: 24

約数和(自身を含む): 347501568

約数和(自身を除く): 138970743

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 1905, 3175, 9525, 21893, 65679, 109465, 328395, 547325, 1641975, 2780411, 8341233, 13902055, 41706165, 69510275, 208530825]

約数ペア:

[(1, 208530825), (3, 69510275), (5, 41706165), (15, 13902055), (25, 8341233), (75, 2780411), (127, 1641975), (381, 547325), (635, 328395), (1905, 109465), (3175, 65679), (9525, 21893)]