85216311

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 138378240

約数和(自身を除く): 53161929

約数列:

[1, 3, 9, 19, 23, 47, 57, 69, 141, 171, 207, 423, 437, 461, 893, 1081, 1311, 1383, 2679, 3243, 3933, 4149, 8037, 8759, 9729, 10603, 20539, 21667, 26277, 31809, 61617, 65001, 78831, 95427, 184851, 195003, 201457, 411673, 498341, 604371, 1235019, 1495023, 1813113, 3705057, 4485069, 9468479, 28405437, 85216311]

約数ペア:

[(1, 85216311), (3, 28405437), (9, 9468479), (19, 4485069), (23, 3705057), (47, 1813113), (57, 1495023), (69, 1235019), (141, 604371), (171, 498341), (207, 411673), (423, 201457), (437, 195003), (461, 184851), (893, 95427), (1081, 78831), (1311, 65001), (1383, 61617), (2679, 31809), (3243, 26277), (3933, 21667), (4149, 20539), (8037, 10603), (8759, 9729)]