12880741887

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^3\times {\mathrm{283}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 20386780960

約数和(自身を除く): 7506039073

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 283, 657, 849, 949, 2547, 2847, 3679, 5329, 8541, 11037, 15987, 20659, 33111, 47961, 61977, 69277, 185931, 207831, 268567, 389017, 623493, 805701, 1167051, 1508107, 2417103, 3501153, 4524321, 5057221, 13572963, 15171663, 19605391, 45514989, 58816173, 110091811, 176448519, 330275433, 990826299, 1431193543, 4293580629, 12880741887]

約数ペア:

[(1, 12880741887), (3, 4293580629), (9, 1431193543), (13, 990826299), (39, 330275433), (73, 176448519), (117, 110091811), (219, 58816173), (283, 45514989), (657, 19605391), (849, 15171663), (949, 13572963), (2547, 5057221), (2847, 4524321), (3679, 3501153), (5329, 2417103), (8541, 1508107), (11037, 1167051), (15987, 805701), (20659, 623493), (33111, 389017), (47961, 268567), (61977, 207831), (69277, 185931)]