208052205

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{815891}}^1$

素因数の和:815916

約数の個数: 16

約数和(自身を含む): 352465344

約数和(自身を除く): 144413139

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 815891, 2447673, 4079455, 12238365, 13870147, 41610441, 69350735, 208052205]

約数ペア:

[(1, 208052205), (3, 69350735), (5, 41610441), (15, 13870147), (17, 12238365), (51, 4079455), (85, 2447673), (255, 815891)]