2973321

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 32

約数和(自身を含む): 4878720

約数和(自身を除く): 1905399

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 197, 351, 387, 559, 591, 1161, 1677, 1773, 2561, 5031, 5319, 7683, 8471, 15093, 23049, 25413, 69147, 76239, 110123, 228717, 330369, 991107, 2973321]

約数ペア:

[(1, 2973321), (3, 991107), (9, 330369), (13, 228717), (27, 110123), (39, 76239), (43, 69147), (117, 25413), (129, 23049), (197, 15093), (351, 8471), (387, 7683), (559, 5319), (591, 5031), (1161, 2561), (1677, 1773)]