26820261

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1777}}^1$

素因数の和:1842

約数の個数: 32

約数和(自身を含む): 43809920

約数和(自身を除く): 16989659

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 1777, 5031, 5331, 15093, 15993, 23101, 47979, 69303, 76411, 207909, 229233, 623727, 687699, 993343, 2063097, 2980029, 8940087, 26820261]

約数ペア:

[(1, 26820261), (3, 8940087), (9, 2980029), (13, 2063097), (27, 993343), (39, 687699), (43, 623727), (117, 229233), (129, 207909), (351, 76411), (387, 69303), (559, 47979), (1161, 23101), (1677, 15993), (1777, 15093), (5031, 5331)]