208215495423

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6971}}^1\times {\mathrm{15017}}^1$

素因数の和:22024

約数の個数: 48

約数和(自身を含む): 343015204896

約数和(自身を除く): 134799709473

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 6971, 15017, 20913, 45051, 62739, 90623, 118507, 135153, 195221, 255289, 271869, 355521, 585663, 765867, 815607, 1066563, 1540591, 1756989, 2297601, 3318757, 4621773, 9956271, 13865319, 29868813, 104683507, 314050521, 942151563, 1360885591, 1779619619, 4082656773, 5338858857, 12247970319, 16016576571, 23135055047, 69405165141, 208215495423]

約数ペア:

[(1, 208215495423), (3, 69405165141), (9, 23135055047), (13, 16016576571), (17, 12247970319), (39, 5338858857), (51, 4082656773), (117, 1779619619), (153, 1360885591), (221, 942151563), (663, 314050521), (1989, 104683507), (6971, 29868813), (15017, 13865319), (20913, 9956271), (45051, 4621773), (62739, 3318757), (90623, 2297601), (118507, 1756989), (135153, 1540591), (195221, 1066563), (255289, 815607), (271869, 765867), (355521, 585663)]