277208055

素因数分解:

$3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{21169}}^1$

素因数の和:21280

約数の個数: 32

約数和(自身を含む): 497918400

約数和(自身を除く): 220710345

約数列:

[1, 3, 5, 9, 15, 27, 45, 97, 135, 291, 485, 873, 1455, 2619, 4365, 13095, 21169, 63507, 105845, 190521, 317535, 571563, 952605, 2053393, 2857815, 6160179, 10266965, 18480537, 30800895, 55441611, 92402685, 277208055]

約数ペア:

[(1, 277208055), (3, 92402685), (5, 55441611), (9, 30800895), (15, 18480537), (27, 10266965), (45, 6160179), (97, 2857815), (135, 2053393), (291, 952605), (485, 571563), (873, 317535), (1455, 190521), (2619, 105845), (4365, 63507), (13095, 21169)]