219696057

素因数分解:

$3^5\times 7^2\times {\mathrm{18451}}^1$

素因数の和:18480

約数の個数: 36

約数和(自身を含む): 382842096

約数和(自身を除く): 163146039

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 1323, 1701, 3969, 11907, 18451, 55353, 129157, 166059, 387471, 498177, 904099, 1162413, 1494531, 2712297, 3487239, 4483593, 8136891, 10461717, 24410673, 31385151, 73232019, 219696057]

約数ペア:

[(1, 219696057), (3, 73232019), (7, 31385151), (9, 24410673), (21, 10461717), (27, 8136891), (49, 4483593), (63, 3487239), (81, 2712297), (147, 1494531), (189, 1162413), (243, 904099), (441, 498177), (567, 387471), (1323, 166059), (1701, 129157), (3969, 55353), (11907, 18451)]