245866905

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2083}}^1$

素因数の和:2198

約数の個数: 48

約数和(自身を含む): 443441856

約数和(自身を除く): 197574951

約数列:

[1, 3, 5, 9, 15, 43, 45, 61, 129, 183, 215, 305, 387, 549, 645, 915, 1935, 2083, 2623, 2745, 6249, 7869, 10415, 13115, 18747, 23607, 31245, 39345, 89569, 93735, 118035, 127063, 268707, 381189, 447845, 635315, 806121, 1143567, 1343535, 1905945, 4030605, 5463709, 5717835, 16391127, 27318545, 49173381, 81955635, 245866905]

約数ペア:

[(1, 245866905), (3, 81955635), (5, 49173381), (9, 27318545), (15, 16391127), (43, 5717835), (45, 5463709), (61, 4030605), (129, 1905945), (183, 1343535), (215, 1143567), (305, 806121), (387, 635315), (549, 447845), (645, 381189), (915, 268707), (1935, 127063), (2083, 118035), (2623, 93735), (2745, 89569), (6249, 39345), (7869, 31245), (10415, 23607), (13115, 18747)]