2178221331

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1709}}^1\times {\mathrm{2971}}^1$

素因数の和:4707

約数の個数: 32

約数和(自身を含む): 3415184640

約数和(自身を除く): 1236963309

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 1709, 2971, 5127, 8913, 18799, 22217, 32681, 38623, 56397, 66651, 98043, 115869, 244387, 424853, 733161, 1274559, 5077439, 15232317, 55851829, 66006707, 167555487, 198020121, 726073777, 2178221331]

約数ペア:

[(1, 2178221331), (3, 726073777), (11, 198020121), (13, 167555487), (33, 66006707), (39, 55851829), (143, 15232317), (429, 5077439), (1709, 1274559), (2971, 733161), (5127, 424853), (8913, 244387), (18799, 115869), (22217, 98043), (32681, 66651), (38623, 56397)]