81741177

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{11689}}^1$

素因数の和:11742

約数の個数: 32

約数和(自身を含む): 142150400

約数和(自身を除く): 60409223

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 6993, 11689, 35067, 81823, 105201, 245469, 315603, 432493, 736407, 1297479, 2209221, 3027451, 3892437, 9082353, 11677311, 27247059, 81741177]

約数ペア:

[(1, 81741177), (3, 27247059), (7, 11677311), (9, 9082353), (21, 3892437), (27, 3027451), (37, 2209221), (63, 1297479), (111, 736407), (189, 432493), (259, 315603), (333, 245469), (777, 105201), (999, 81823), (2331, 35067), (6993, 11689)]