28197957

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3559}}^1$

素因数の和:3720

約数の個数: 16

約数和(自身を含む): 39872000

約数和(自身を除く): 11674043

約数列:

[1, 3, 19, 57, 139, 417, 2641, 3559, 7923, 10677, 67621, 202863, 494701, 1484103, 9399319, 28197957]

約数ペア:

[(1, 28197957), (3, 9399319), (19, 1484103), (57, 494701), (139, 202863), (417, 67621), (2641, 10677), (3559, 7923)]