72778479

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 105753600

約数和(自身を除く): 32975121

約数列:

[1, 3, 17, 51, 71, 101, 199, 213, 303, 597, 1207, 1717, 3383, 3621, 5151, 7171, 10149, 14129, 20099, 21513, 42387, 60297, 121907, 240193, 341683, 365721, 720579, 1025049, 1427029, 4281087, 24259493, 72778479]

約数ペア:

[(1, 72778479), (3, 24259493), (17, 4281087), (51, 1427029), (71, 1025049), (101, 720579), (199, 365721), (213, 341683), (303, 240193), (597, 121907), (1207, 60297), (1717, 42387), (3383, 21513), (3621, 20099), (5151, 14129), (7171, 10149)]