205016685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{803987}}^1$

素因数の和:804012

約数の個数: 16

約数和(自身を含む): 347322816

約数和(自身を除く): 142306131

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 803987, 2411961, 4019935, 12059805, 13667779, 41003337, 68338895, 205016685]

約数ペア:

[(1, 205016685), (3, 68338895), (5, 41003337), (15, 13667779), (17, 12059805), (51, 4019935), (85, 2411961), (255, 803987)]