28707423

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7517}}^1$

素因数の和:7606

約数の個数: 16

約数和(自身を含む): 40897920

約数和(自身を除く): 12190497

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 7517, 22551, 142823, 428469, 503639, 1510917, 9569141, 28707423]

約数ペア:

[(1, 28707423), (3, 9569141), (19, 1510917), (57, 503639), (67, 428469), (201, 142823), (1273, 22551), (3819, 7517)]