81009558

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{71437}}^1$

素因数の和:71458

約数の個数: 40

約数和(自身を含む): 207455952

約数和(自身を除く): 126446394

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 71437, 142874, 214311, 428622, 500059, 642933, 1000118, 1285866, 1500177, 1928799, 3000354, 3857598, 4500531, 5786397, 9001062, 11572794, 13501593, 27003186, 40504779, 81009558]

約数ペア:

[(1, 81009558), (2, 40504779), (3, 27003186), (6, 13501593), (7, 11572794), (9, 9001062), (14, 5786397), (18, 4500531), (21, 3857598), (27, 3000354), (42, 1928799), (54, 1500177), (63, 1285866), (81, 1000118), (126, 642933), (162, 500059), (189, 428622), (378, 214311), (567, 142874), (1134, 71437)]