51914277

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 56

約数和(自身を含む): 84991680

約数和(自身を除く): 33077403

約数列:

[1, 3, 9, 17, 27, 51, 59, 71, 81, 153, 177, 213, 243, 459, 531, 639, 729, 1003, 1207, 1377, 1593, 1917, 3009, 3621, 4131, 4189, 4779, 5751, 9027, 10863, 12393, 12567, 14337, 17253, 27081, 32589, 37701, 43011, 51759, 71213, 81243, 97767, 113103, 213639, 243729, 293301, 339309, 640917, 731187, 879903, 1017927, 1922751, 3053781, 5768253, 17304759, 51914277]

約数ペア:

[(1, 51914277), (3, 17304759), (9, 5768253), (17, 3053781), (27, 1922751), (51, 1017927), (59, 879903), (71, 731187), (81, 640917), (153, 339309), (177, 293301), (213, 243729), (243, 213639), (459, 113103), (531, 97767), (639, 81243), (729, 71213), (1003, 51759), (1207, 43011), (1377, 37701), (1593, 32589), (1917, 27081), (3009, 17253), (3621, 14337), (4131, 12567), (4189, 12393), (4779, 10863), (5751, 9027)]