205642455

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{2393}}^1$

素因数の和:2755

約数の個数: 32

約数和(自身を含む): 349562304

約数和(自身を除く): 143919849

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 337, 1011, 1685, 2393, 5055, 5729, 7179, 11965, 17187, 28645, 35895, 40681, 85935, 122043, 203405, 610215, 806441, 2419323, 4032205, 12096615, 13709497, 41128491, 68547485, 205642455]

約数ペア:

[(1, 205642455), (3, 68547485), (5, 41128491), (15, 13709497), (17, 12096615), (51, 4032205), (85, 2419323), (255, 806441), (337, 610215), (1011, 203405), (1685, 122043), (2393, 85935), (5055, 40681), (5729, 35895), (7179, 28645), (11965, 17187)]