12138885

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 23250240

約数和(自身を除く): 11111355

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 137, 165, 179, 411, 495, 537, 685, 895, 1233, 1507, 1611, 1969, 2055, 2685, 4521, 5907, 6165, 7535, 8055, 9845, 13563, 17721, 22605, 24523, 29535, 67815, 73569, 88605, 122615, 220707, 269753, 367845, 809259, 1103535, 1348765, 2427777, 4046295, 12138885]

約数ペア:

[(1, 12138885), (3, 4046295), (5, 2427777), (9, 1348765), (11, 1103535), (15, 809259), (33, 367845), (45, 269753), (55, 220707), (99, 122615), (137, 88605), (165, 73569), (179, 67815), (411, 29535), (495, 24523), (537, 22605), (685, 17721), (895, 13563), (1233, 9845), (1507, 8055), (1611, 7535), (1969, 6165), (2055, 5907), (2685, 4521)]