80890173

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{349}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 144726400

約数和(自身を除く): 63836227

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 283, 349, 819, 849, 1047, 1981, 2443, 2547, 3141, 3679, 4537, 5943, 7329, 11037, 13611, 17829, 21987, 25753, 31759, 33111, 40833, 77259, 95277, 98767, 231777, 285831, 296301, 691369, 888903, 1283971, 2074107, 3851913, 6222321, 8987797, 11555739, 26963391, 80890173]

約数ペア:

[(1, 80890173), (3, 26963391), (7, 11555739), (9, 8987797), (13, 6222321), (21, 3851913), (39, 2074107), (63, 1283971), (91, 888903), (117, 691369), (273, 296301), (283, 285831), (349, 231777), (819, 98767), (849, 95277), (1047, 77259), (1981, 40833), (2443, 33111), (2547, 31759), (3141, 25753), (3679, 21987), (4537, 17829), (5943, 13611), (7329, 11037)]