1209105

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 2125032

約数和(自身を除く): 915927

約数列:

[1, 3, 5, 9, 15, 45, 97, 277, 291, 485, 831, 873, 1385, 1455, 2493, 4155, 4365, 12465, 26869, 80607, 134345, 241821, 403035, 1209105]

約数ペア:

[(1, 1209105), (3, 403035), (5, 241821), (9, 134345), (15, 80607), (45, 26869), (97, 12465), (277, 4365), (291, 4155), (485, 2493), (831, 1455), (873, 1385)]