180618321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{467}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 266692608

約数和(自身を除く): 86074287

約数列:

[1, 3, 13, 39, 47, 141, 211, 467, 611, 633, 1401, 1833, 2743, 6071, 8229, 9917, 18213, 21949, 29751, 65847, 98537, 128921, 285337, 295611, 386763, 856011, 1280981, 3842943, 4631239, 13893717, 60206107, 180618321]

約数ペア:

[(1, 180618321), (3, 60206107), (13, 13893717), (39, 4631239), (47, 3842943), (141, 1280981), (211, 856011), (467, 386763), (611, 295611), (633, 285337), (1401, 128921), (1833, 98537), (2743, 65847), (6071, 29751), (8229, 21949), (9917, 18213)]