128525967

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{280013}}^1$

素因数の和:280039

約数の個数: 16

約数和(自身を含む): 201610080

約数和(自身を除く): 73084113

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 280013, 840039, 2520117, 4760221, 7560351, 14280663, 42841989, 128525967]

約数ペア:

[(1, 128525967), (3, 42841989), (9, 14280663), (17, 7560351), (27, 4760221), (51, 2520117), (153, 840039), (459, 280013)]