201680577

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{7789}}^1$

素因数の和:7942

約数の個数: 32

約数和(自身を含む): 344006400

約数和(自身を除く): 142325823

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 959, 1233, 2877, 3699, 7789, 8631, 23367, 25893, 54523, 70101, 163569, 210303, 490707, 1067093, 1472121, 3201279, 7469651, 9603837, 22408953, 28811511, 67226859, 201680577]

約数ペア:

[(1, 201680577), (3, 67226859), (7, 28811511), (9, 22408953), (21, 9603837), (27, 7469651), (63, 3201279), (137, 1472121), (189, 1067093), (411, 490707), (959, 210303), (1233, 163569), (2877, 70101), (3699, 54523), (7789, 25893), (8631, 23367)]