28225857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{23117}}^1$

素因数の和:23168

約数の個数: 16

約数和(自身を含む): 42167232

約数和(自身を除く): 13941375

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 23117, 69351, 254287, 762861, 855329, 2565987, 9408619, 28225857]

約数ペア:

[(1, 28225857), (3, 9408619), (11, 2565987), (33, 855329), (37, 762861), (111, 254287), (407, 69351), (1221, 23117)]