11920503

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{307}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 18657408

約数和(自身を除く): 6736905

約数列:

[1, 3, 7, 21, 43, 129, 301, 307, 903, 921, 1849, 2149, 5547, 6447, 12943, 13201, 38829, 39603, 92407, 277221, 567643, 1702929, 3973501, 11920503]

約数ペア:

[(1, 11920503), (3, 3973501), (7, 1702929), (21, 567643), (43, 277221), (129, 92407), (301, 39603), (307, 38829), (903, 13201), (921, 12943), (1849, 6447), (2149, 5547)]