15957081

素因数分解:

$3^6\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 56

約数和(自身を含む): 28330560

約数和(自身を除く): 12373479

約数列:

[1, 3, 7, 9, 21, 27, 53, 59, 63, 81, 159, 177, 189, 243, 371, 413, 477, 531, 567, 729, 1113, 1239, 1431, 1593, 1701, 3127, 3339, 3717, 4293, 4779, 5103, 9381, 10017, 11151, 12879, 14337, 21889, 28143, 30051, 33453, 38637, 43011, 65667, 84429, 90153, 100359, 197001, 253287, 270459, 301077, 591003, 759861, 1773009, 2279583, 5319027, 15957081]

約数ペア:

[(1, 15957081), (3, 5319027), (7, 2279583), (9, 1773009), (21, 759861), (27, 591003), (53, 301077), (59, 270459), (63, 253287), (81, 197001), (159, 100359), (177, 90153), (189, 84429), (243, 65667), (371, 43011), (413, 38637), (477, 33453), (531, 30051), (567, 28143), (729, 21889), (1113, 14337), (1239, 12879), (1431, 11151), (1593, 10017), (1701, 9381), (3127, 5103), (3339, 4779), (3717, 4293)]