138712287

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{5861}}^1$

素因数の和:5908

約数の個数: 32

約数和(自身を含む): 225100800

約数和(自身を除く): 86388513

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 1029, 1127, 3381, 5861, 7889, 17583, 23667, 41027, 123081, 134803, 287189, 404409, 861567, 943621, 2010323, 2830863, 6030969, 6605347, 19816041, 46237429, 138712287]

約数ペア:

[(1, 138712287), (3, 46237429), (7, 19816041), (21, 6605347), (23, 6030969), (49, 2830863), (69, 2010323), (147, 943621), (161, 861567), (343, 404409), (483, 287189), (1029, 134803), (1127, 123081), (3381, 41027), (5861, 23667), (7889, 17583)]