1818531

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 3211824

約数和(自身を除く): 1393293

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 81, 99, 117, 143, 157, 297, 351, 429, 471, 891, 1053, 1287, 1413, 1727, 2041, 3861, 4239, 5181, 6123, 11583, 12717, 15543, 18369, 22451, 46629, 55107, 67353, 139887, 165321, 202059, 606177, 1818531]

約数ペア:

[(1, 1818531), (3, 606177), (9, 202059), (11, 165321), (13, 139887), (27, 67353), (33, 55107), (39, 46629), (81, 22451), (99, 18369), (117, 15543), (143, 12717), (157, 11583), (297, 6123), (351, 5181), (429, 4239), (471, 3861), (891, 2041), (1053, 1727), (1287, 1413)]