231816891

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 331776000

約数和(自身を除く): 99959109

約数列:

[1, 3, 19, 57, 107, 191, 199, 321, 573, 597, 2033, 3629, 3781, 6099, 10887, 11343, 20437, 21293, 38009, 61311, 63879, 114027, 388303, 404567, 722171, 1164909, 1213701, 2166513, 4066963, 12200889, 77272297, 231816891]

約数ペア:

[(1, 231816891), (3, 77272297), (19, 12200889), (57, 4066963), (107, 2166513), (191, 1213701), (199, 1164909), (321, 722171), (573, 404567), (597, 388303), (2033, 114027), (3629, 63879), (3781, 61311), (6099, 38009), (10887, 21293), (11343, 20437)]