128215231881

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{204490003}}^1$

素因数の和:204490036

約数の個数: 16

約数和(自身を含む): 196310403840

約数和(自身を除く): 68095171959

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 204490003, 613470009, 2249390033, 3885310057, 6748170099, 11655930171, 42738410627, 128215231881]

約数ペア:

[(1, 128215231881), (3, 42738410627), (11, 11655930171), (19, 6748170099), (33, 3885310057), (57, 2249390033), (209, 613470009), (627, 204490003)]