1281357

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2$

素因数の和:110

約数の個数: 36

約数和(自身を含む): 2362464

約数和(自身を除く): 1081107

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 301, 387, 473, 693, 903, 1419, 1849, 2709, 3311, 4257, 5547, 9933, 12943, 16641, 20339, 29799, 38829, 61017, 116487, 142373, 183051, 427119, 1281357]

約数ペア:

[(1, 1281357), (3, 427119), (7, 183051), (9, 142373), (11, 116487), (21, 61017), (33, 38829), (43, 29799), (63, 20339), (77, 16641), (99, 12943), (129, 9933), (231, 5547), (301, 4257), (387, 3311), (473, 2709), (693, 1849), (903, 1419)]