209930010423

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{729737}}^1$

素因数の和:729876

約数の個数: 48

約数和(自身を含む): 346070949120

約数和(自身を除く): 136140938697

約数列:

[1, 3, 7, 19, 21, 49, 57, 103, 133, 147, 309, 399, 721, 931, 1957, 2163, 2793, 5047, 5871, 13699, 15141, 41097, 95893, 287679, 729737, 2189211, 5108159, 13865003, 15324477, 35757113, 41595009, 75162911, 97055021, 107271339, 225488733, 291165063, 526140377, 679385147, 1428095309, 1578421131, 2038155441, 3682982639, 4284285927, 9996667163, 11048947917, 29990001489, 69976670141, 209930010423]

約数ペア:

[(1, 209930010423), (3, 69976670141), (7, 29990001489), (19, 11048947917), (21, 9996667163), (49, 4284285927), (57, 3682982639), (103, 2038155441), (133, 1578421131), (147, 1428095309), (309, 679385147), (399, 526140377), (721, 291165063), (931, 225488733), (1957, 107271339), (2163, 97055021), (2793, 75162911), (5047, 41595009), (5871, 35757113), (13699, 15324477), (15141, 13865003), (41097, 5108159), (95893, 2189211), (287679, 729737)]