208355655

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{817081}}^1$

素因数の和:817106

約数の個数: 16

約数和(自身を含む): 352979424

約数和(自身を除く): 144623769

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 817081, 2451243, 4085405, 12256215, 13890377, 41671131, 69451885, 208355655]

約数ペア:

[(1, 208355655), (3, 69451885), (5, 41671131), (15, 13890377), (17, 12256215), (51, 4085405), (85, 2451243), (255, 817081)]