18765351

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{21061}}^1$

素因数の和:21084

約数の個数: 20

約数和(自身を含む): 30582024

約数和(自身を除く): 11816673

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 21061, 63183, 189549, 231671, 568647, 695013, 1705941, 2085039, 6255117, 18765351]

約数ペア:

[(1, 18765351), (3, 6255117), (9, 2085039), (11, 1705941), (27, 695013), (33, 568647), (81, 231671), (99, 189549), (297, 63183), (891, 21061)]