20180921385

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{174071}}^1$

素因数の和:174269

約数の個数: 32

約数和(自身を含む): 33087605760

約数和(自身を除く): 12906684375

約数列:

[1, 3, 5, 15, 59, 131, 177, 295, 393, 655, 885, 1965, 7729, 23187, 38645, 115935, 174071, 522213, 870355, 2611065, 10270189, 22803301, 30810567, 51350945, 68409903, 114016505, 154052835, 342049515, 1345394759, 4036184277, 6726973795, 20180921385]

約数ペア:

[(1, 20180921385), (3, 6726973795), (5, 4036184277), (15, 1345394759), (59, 342049515), (131, 154052835), (177, 114016505), (295, 68409903), (393, 51350945), (655, 30810567), (885, 22803301), (1965, 10270189), (7729, 2611065), (23187, 870355), (38645, 522213), (115935, 174071)]