28004727

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7333}}^1$

素因数の和:7422

約数の個数: 16

約数和(自身を含む): 39896960

約数和(自身を除く): 11892233

約数列:

[1, 3, 19, 57, 67, 201, 1273, 3819, 7333, 21999, 139327, 417981, 491311, 1473933, 9334909, 28004727]

約数ペア:

[(1, 28004727), (3, 9334909), (19, 1473933), (57, 491311), (67, 417981), (201, 139327), (1273, 21999), (3819, 7333)]