28157305

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{4231}}^1$

素因数の和:4269

約数の個数: 16

約数和(自身を含む): 37173888

約数和(自身を除く): 9016583

約数列:

[1, 5, 11, 55, 121, 605, 1331, 4231, 6655, 21155, 46541, 232705, 511951, 2559755, 5631461, 28157305]

約数ペア:

[(1, 28157305), (5, 5631461), (11, 2559755), (55, 511951), (121, 232705), (605, 46541), (1331, 21155), (4231, 6655)]