198181809

素因数分解:

$3^5\times 7^1\times {\mathrm{263}}^1\times {\mathrm{443}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 341332992

約数和(自身を除く): 143151183

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 263, 443, 567, 789, 1329, 1701, 1841, 2367, 3101, 3987, 5523, 7101, 9303, 11961, 16569, 21303, 27909, 35883, 49707, 63909, 83727, 107649, 116509, 149121, 251181, 349527, 447363, 753543, 815563, 1048581, 2446689, 3145743, 7340067, 9437229, 22020201, 28311687, 66060603, 198181809]

約数ペア:

[(1, 198181809), (3, 66060603), (7, 28311687), (9, 22020201), (21, 9437229), (27, 7340067), (63, 3145743), (81, 2446689), (189, 1048581), (243, 815563), (263, 753543), (443, 447363), (567, 349527), (789, 251181), (1329, 149121), (1701, 116509), (1841, 107649), (2367, 83727), (3101, 63909), (3987, 49707), (5523, 35883), (7101, 27909), (9303, 21303), (11961, 16569)]