28581681

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{9461}}^1$

素因数の和:9536

約数の個数: 16

約数和(自身を含む): 40875840

約数和(自身を除く): 12294159

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 9461, 28383, 179759, 501433, 539277, 1504299, 9527227, 28581681]

約数ペア:

[(1, 28581681), (3, 9527227), (19, 1504299), (53, 539277), (57, 501433), (159, 179759), (1007, 28383), (3021, 9461)]