81205461

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:338

約数の個数: 36

約数和(自身を含む): 124700940

約数和(自身を除く): 43495479

約数列:

[1, 3, 9, 31, 41, 93, 123, 229, 279, 369, 687, 961, 1271, 2061, 2883, 3813, 7099, 8649, 9389, 11439, 21297, 28167, 39401, 63891, 84501, 118203, 220069, 291059, 354609, 660207, 873177, 1980621, 2619531, 9022829, 27068487, 81205461]

約数ペア:

[(1, 81205461), (3, 27068487), (9, 9022829), (31, 2619531), (41, 1980621), (93, 873177), (123, 660207), (229, 354609), (279, 291059), (369, 220069), (687, 118203), (961, 84501), (1271, 63891), (2061, 39401), (2883, 28167), (3813, 21297), (7099, 11439), (8649, 9389)]