15720939

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{44789}}^1$

素因数の和:44811

約数の個数: 16

約数和(自身を含む): 25082400

約数和(自身を除く): 9361461

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 44789, 134367, 403101, 582257, 1209303, 1746771, 5240313, 15720939]

約数ペア:

[(1, 15720939), (3, 5240313), (9, 1746771), (13, 1209303), (27, 582257), (39, 403101), (117, 134367), (351, 44789)]