1048383

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^2$

素因数の和:105

約数の個数: 30

約数和(自身を含む): 1832424

約数和(自身を除く): 784041

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 903, 1161, 1849, 2709, 3483, 5547, 8127, 12943, 16641, 24381, 38829, 49923, 116487, 149769, 349461, 1048383]

約数ペア:

[(1, 1048383), (3, 349461), (7, 149769), (9, 116487), (21, 49923), (27, 38829), (43, 24381), (63, 16641), (81, 12943), (129, 8127), (189, 5547), (301, 3483), (387, 2709), (567, 1849), (903, 1161)]