205112055

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{3607}}^1$

素因数の和:3855

約数の個数: 32

約数和(自身を含む): 349138944

約数和(自身を除く): 144026889

約数列:

[1, 3, 5, 15, 17, 51, 85, 223, 255, 669, 1115, 3345, 3607, 3791, 10821, 11373, 18035, 18955, 54105, 56865, 61319, 183957, 306595, 804361, 919785, 2413083, 4021805, 12065415, 13674137, 41022411, 68370685, 205112055]

約数ペア:

[(1, 205112055), (3, 68370685), (5, 41022411), (15, 13674137), (17, 12065415), (51, 4021805), (85, 2413083), (223, 919785), (255, 804361), (669, 306595), (1115, 183957), (3345, 61319), (3607, 56865), (3791, 54105), (10821, 18955), (11373, 18035)]