208031295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{815809}}^1$

素因数の和:815834

約数の個数: 16

約数和(自身を含む): 352429920

約数和(自身を除く): 144398625

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 815809, 2447427, 4079045, 12237135, 13868753, 41606259, 69343765, 208031295]

約数ペア:

[(1, 208031295), (3, 69343765), (5, 41606259), (15, 13868753), (17, 12237135), (51, 4079045), (85, 2447427), (255, 815809)]