13421343

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 20224512

約数和(自身を除く): 6803169

約数列:

[1, 3, 13, 37, 39, 71, 111, 131, 213, 393, 481, 923, 1443, 1703, 2627, 2769, 4847, 5109, 7881, 9301, 14541, 27903, 34151, 63011, 102453, 120913, 189033, 344137, 362739, 1032411, 4473781, 13421343]

約数ペア:

[(1, 13421343), (3, 4473781), (13, 1032411), (37, 362739), (39, 344137), (71, 189033), (111, 120913), (131, 102453), (213, 63011), (393, 34151), (481, 27903), (923, 14541), (1443, 9301), (1703, 7881), (2627, 5109), (2769, 4847)]