2145981

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:356

約数の個数: 16

約数和(自身を含む): 2983680

約数和(自身を除く): 837699

約数列:

[1, 3, 41, 73, 123, 219, 239, 717, 2993, 8979, 9799, 17447, 29397, 52341, 715327, 2145981]

約数ペア:

[(1, 2145981), (3, 715327), (41, 52341), (73, 29397), (123, 17447), (219, 9799), (239, 8979), (717, 2993)]