81801081

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{1213}}^1$

素因数の和:1405

約数の個数: 24

約数和(自身を含む): 121205760

約数和(自身を除く): 39404679

約数列:

[1, 3, 9, 59, 127, 177, 381, 531, 1143, 1213, 3639, 7493, 10917, 22479, 67437, 71567, 154051, 214701, 462153, 644103, 1386459, 9089009, 27267027, 81801081]

約数ペア:

[(1, 81801081), (3, 27267027), (9, 9089009), (59, 1386459), (127, 644103), (177, 462153), (381, 214701), (531, 154051), (1143, 71567), (1213, 67437), (3639, 22479), (7493, 10917)]