53390589

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{133811}}^1$

素因数の和:133840

約数の個数: 16

約数和(自身を含む): 85639680

約数和(自身を除く): 32249091

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 133811, 401433, 936677, 2542409, 2810031, 7627227, 17796863, 53390589]

約数ペア:

[(1, 53390589), (3, 17796863), (7, 7627227), (19, 2810031), (21, 2542409), (57, 936677), (133, 401433), (399, 133811)]