28639887

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{3851}}^1$

素因数の和:3958

約数の個数: 16

約数和(自身を含む): 39814272

約数和(自身を除く): 11174385

約数列:

[1, 3, 37, 67, 111, 201, 2479, 3851, 7437, 11553, 142487, 258017, 427461, 774051, 9546629, 28639887]

約数ペア:

[(1, 28639887), (3, 9546629), (37, 774051), (67, 427461), (111, 258017), (201, 142487), (2479, 11553), (3851, 7437)]