138144771

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 56

約数和(自身を含む): 223811424

約数和(自身を除く): 85666653

約数列:

[1, 3, 9, 17, 27, 51, 71, 81, 153, 157, 213, 243, 459, 471, 639, 729, 1207, 1377, 1413, 1917, 2669, 3621, 4131, 4239, 5751, 8007, 10863, 11147, 12393, 12717, 17253, 24021, 32589, 33441, 38151, 51759, 72063, 97767, 100323, 114453, 189499, 216189, 293301, 300969, 568497, 648567, 879903, 902907, 1705491, 1945701, 2708721, 5116473, 8126163, 15349419, 46048257, 138144771]

約数ペア:

[(1, 138144771), (3, 46048257), (9, 15349419), (17, 8126163), (27, 5116473), (51, 2708721), (71, 1945701), (81, 1705491), (153, 902907), (157, 879903), (213, 648567), (243, 568497), (459, 300969), (471, 293301), (639, 216189), (729, 189499), (1207, 114453), (1377, 100323), (1413, 97767), (1917, 72063), (2669, 51759), (3621, 38151), (4131, 33441), (4239, 32589), (5751, 24021), (8007, 17253), (10863, 12717), (11147, 12393)]