268191

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1$

素因数の和:73

約数の個数: 40

約数和(自身を含む): 511104

約数和(自身を除く): 242913

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 43, 63, 77, 81, 99, 129, 189, 231, 297, 301, 387, 473, 567, 693, 891, 903, 1161, 1419, 2079, 2709, 3311, 3483, 4257, 6237, 8127, 9933, 12771, 24381, 29799, 38313, 89397, 268191]

約数ペア:

[(1, 268191), (3, 89397), (7, 38313), (9, 29799), (11, 24381), (21, 12771), (27, 9933), (33, 8127), (43, 6237), (63, 4257), (77, 3483), (81, 3311), (99, 2709), (129, 2079), (189, 1419), (231, 1161), (297, 903), (301, 891), (387, 693), (473, 567)]