27967329

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:191

約数の個数: 64

約数和(自身を含む): 48787200

約数和(自身を除く): 20819871

約数列:

[1, 3, 9, 13, 17, 27, 39, 43, 51, 109, 117, 129, 153, 221, 327, 351, 387, 459, 559, 663, 731, 981, 1161, 1417, 1677, 1853, 1989, 2193, 2943, 4251, 4687, 5031, 5559, 5967, 6579, 9503, 12753, 14061, 15093, 16677, 19737, 24089, 28509, 38259, 42183, 50031, 60931, 72267, 79679, 85527, 126549, 182793, 216801, 239037, 256581, 548379, 650403, 717111, 1035827, 1645137, 2151333, 3107481, 9322443, 27967329]

約数ペア:

[(1, 27967329), (3, 9322443), (9, 3107481), (13, 2151333), (17, 1645137), (27, 1035827), (39, 717111), (43, 650403), (51, 548379), (109, 256581), (117, 239037), (129, 216801), (153, 182793), (221, 126549), (327, 85527), (351, 79679), (387, 72267), (459, 60931), (559, 50031), (663, 42183), (731, 38259), (981, 28509), (1161, 24089), (1417, 19737), (1677, 16677), (1853, 15093), (1989, 14061), (2193, 12753), (2943, 9503), (4251, 6579), (4687, 5967), (5031, 5559)]