71890005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1823}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 126074880

約数和(自身を除く): 54184875

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 239, 717, 1195, 1823, 2629, 3585, 5469, 7887, 9115, 13145, 20053, 27345, 39435, 60159, 100265, 300795, 435697, 1307091, 2178485, 4792667, 6535455, 14378001, 23963335, 71890005]

約数ペア:

[(1, 71890005), (3, 23963335), (5, 14378001), (11, 6535455), (15, 4792667), (33, 2178485), (55, 1307091), (165, 435697), (239, 300795), (717, 100265), (1195, 60159), (1823, 39435), (2629, 27345), (3585, 20053), (5469, 13145), (7887, 9115)]