81234387

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1163}}^1$

素因数の和:1384

約数の個数: 32

約数和(自身を含む): 130368000

約数和(自身を除く): 49133613

約数列:

[1, 3, 9, 13, 27, 39, 117, 199, 351, 597, 1163, 1791, 2587, 3489, 5373, 7761, 10467, 15119, 23283, 31401, 45357, 69849, 136071, 231437, 408213, 694311, 2082933, 3008681, 6248799, 9026043, 27078129, 81234387]

約数ペア:

[(1, 81234387), (3, 27078129), (9, 9026043), (13, 6248799), (27, 3008681), (39, 2082933), (117, 694311), (199, 408213), (351, 231437), (597, 136071), (1163, 69849), (1791, 45357), (2587, 31401), (3489, 23283), (5373, 15119), (7761, 10467)]