204444891

素因数分解:

$3^5\times 7^1\times {\mathrm{263}}^1\times {\mathrm{457}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 352095744

約数和(自身を除く): 147650853

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 263, 457, 567, 789, 1371, 1701, 1841, 2367, 3199, 4113, 5523, 7101, 9597, 12339, 16569, 21303, 28791, 37017, 49707, 63909, 86373, 111051, 120191, 149121, 259119, 360573, 447363, 777357, 841337, 1081719, 2524011, 3245157, 7572033, 9735471, 22716099, 29206413, 68148297, 204444891]

約数ペア:

[(1, 204444891), (3, 68148297), (7, 29206413), (9, 22716099), (21, 9735471), (27, 7572033), (63, 3245157), (81, 2524011), (189, 1081719), (243, 841337), (263, 777357), (457, 447363), (567, 360573), (789, 259119), (1371, 149121), (1701, 120191), (1841, 111051), (2367, 86373), (3199, 63909), (4113, 49707), (5523, 37017), (7101, 28791), (9597, 21303), (12339, 16569)]