80515701

素因数分解:

$3^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{673}}^1$

素因数の和:903

約数の個数: 40

約数和(自身を含む): 138315584

約数和(自身を除く): 57799883

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 211, 567, 633, 673, 1477, 1899, 2019, 4431, 4711, 5697, 6057, 13293, 14133, 17091, 18171, 39879, 42399, 54513, 119637, 127197, 142003, 381591, 426009, 994021, 1278027, 2982063, 3834081, 8946189, 11502243, 26838567, 80515701]

約数ペア:

[(1, 80515701), (3, 26838567), (7, 11502243), (9, 8946189), (21, 3834081), (27, 2982063), (63, 1278027), (81, 994021), (189, 426009), (211, 381591), (567, 142003), (633, 127197), (673, 119637), (1477, 54513), (1899, 42399), (2019, 39879), (4431, 18171), (4711, 17091), (5697, 14133), (6057, 13293)]