57421021

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{733}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 71591424

約数和(自身を除く): 14170403

約数列:

[1, 7, 19, 31, 133, 217, 361, 589, 733, 2527, 4123, 5131, 11191, 13927, 22723, 78337, 97489, 159061, 264613, 431737, 1852291, 3022159, 8203003, 57421021]

約数ペア:

[(1, 57421021), (7, 8203003), (19, 3022159), (31, 1852291), (133, 431737), (217, 264613), (361, 159061), (589, 97489), (733, 78337), (2527, 22723), (4123, 13927), (5131, 11191)]