81171957

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{773}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 120372480

約数和(自身を除く): 39200523

約数列:

[1, 3, 17, 29, 51, 71, 87, 213, 493, 773, 1207, 1479, 2059, 2319, 3621, 6177, 13141, 22417, 35003, 39423, 54883, 67251, 105009, 164649, 381089, 933011, 1143267, 1591607, 2799033, 4774821, 27057319, 81171957]

約数ペア:

[(1, 81171957), (3, 27057319), (17, 4774821), (29, 2799033), (51, 1591607), (71, 1143267), (87, 933011), (213, 381089), (493, 164649), (773, 105009), (1207, 67251), (1479, 54883), (2059, 39423), (2319, 35003), (3621, 22417), (6177, 13141)]