15307831

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 32

約数和(自身を含む): 20238336

約数和(自身を除く): 4930505

約数列:

[1, 7, 11, 31, 53, 77, 121, 217, 341, 371, 583, 847, 1331, 1643, 2387, 3751, 4081, 6413, 9317, 11501, 18073, 26257, 41261, 44891, 70543, 126511, 198803, 288827, 493801, 1391621, 2186833, 15307831]

約数ペア:

[(1, 15307831), (7, 2186833), (11, 1391621), (31, 493801), (53, 288827), (77, 198803), (121, 126511), (217, 70543), (341, 44891), (371, 41261), (583, 26257), (847, 18073), (1331, 11501), (1643, 9317), (2387, 6413), (3751, 4081)]