681508278

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{111031}}^1$

素因数の和:111081

約数の個数: 48

約数和(自身を含む): 1662815232

約数和(自身を除く): 981306954

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 31, 33, 62, 66, 93, 99, 186, 198, 279, 341, 558, 682, 1023, 2046, 3069, 6138, 111031, 222062, 333093, 666186, 999279, 1221341, 1998558, 2442682, 3441961, 3664023, 6883922, 7328046, 10325883, 10992069, 20651766, 21984138, 30977649, 37861571, 61955298, 75723142, 113584713, 227169426, 340754139, 681508278]

約数ペア:

[(1, 681508278), (2, 340754139), (3, 227169426), (6, 113584713), (9, 75723142), (11, 61955298), (18, 37861571), (22, 30977649), (31, 21984138), (33, 20651766), (62, 10992069), (66, 10325883), (93, 7328046), (99, 6883922), (186, 3664023), (198, 3441961), (279, 2442682), (341, 1998558), (558, 1221341), (682, 999279), (1023, 666186), (2046, 333093), (3069, 222062), (6138, 111031)]