47284321

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{547}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 55396224

約数和(自身を除く): 8111903

約数列:

[1, 7, 53, 233, 371, 547, 1631, 3829, 12349, 28991, 86443, 127451, 202937, 892157, 6754903, 47284321]

約数ペア:

[(1, 47284321), (7, 6754903), (53, 892157), (233, 202937), (371, 127451), (547, 86443), (1631, 28991), (3829, 12349)]