13551321

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{349}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 21201600

約数和(自身を除く): 7650279

約数列:

[1, 3, 7, 21, 43, 129, 301, 349, 903, 1047, 1849, 2443, 5547, 7329, 12943, 15007, 38829, 45021, 105049, 315147, 645301, 1935903, 4517107, 13551321]

約数ペア:

[(1, 13551321), (3, 4517107), (7, 1935903), (21, 645301), (43, 315147), (129, 105049), (301, 45021), (349, 38829), (903, 15007), (1047, 12943), (1849, 7329), (2443, 5547)]