28205121033

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{379913}}^1$

素因数の和:380105

約数の個数: 24

約数和(自身を含む): 41664408552

約数和(自身を除く): 13459287519

約数列:

[1, 3, 9, 73, 113, 219, 339, 657, 1017, 8249, 24747, 74241, 379913, 1139739, 3419217, 27733649, 42930169, 83200947, 128790507, 249602841, 386371521, 3133902337, 9401707011, 28205121033]

約数ペア:

[(1, 28205121033), (3, 9401707011), (9, 3133902337), (73, 386371521), (113, 249602841), (219, 128790507), (339, 83200947), (657, 42930169), (1017, 27733649), (8249, 3419217), (24747, 1139739), (74241, 379913)]