13207311

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{719}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 20704320

約数和(自身を除く): 7497009

約数列:

[1, 3, 9, 13, 39, 117, 157, 471, 719, 1413, 2041, 2157, 6123, 6471, 9347, 18369, 28041, 84123, 112883, 338649, 1015947, 1467479, 4402437, 13207311]

約数ペア:

[(1, 13207311), (3, 4402437), (9, 1467479), (13, 1015947), (39, 338649), (117, 112883), (157, 84123), (471, 28041), (719, 18369), (1413, 9347), (2041, 6471), (2157, 6123)]