259519491

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2903}}^1$

素因数の和:2973

約数の個数: 64

約数和(自身を含む): 490659840

約数和(自身を除く): 231140349

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 43, 63, 77, 99, 129, 189, 231, 297, 301, 387, 473, 693, 903, 1161, 1419, 2079, 2709, 2903, 3311, 4257, 8127, 8709, 9933, 12771, 20321, 26127, 29799, 31933, 60963, 78381, 89397, 95799, 124829, 182889, 223531, 287397, 374487, 548667, 670593, 862191, 873803, 1123461, 1373119, 2011779, 2621409, 3370383, 4119357, 6035337, 7864227, 9611833, 12358071, 23592681, 28835499, 37074213, 86506497, 259519491]

約数ペア:

[(1, 259519491), (3, 86506497), (7, 37074213), (9, 28835499), (11, 23592681), (21, 12358071), (27, 9611833), (33, 7864227), (43, 6035337), (63, 4119357), (77, 3370383), (99, 2621409), (129, 2011779), (189, 1373119), (231, 1123461), (297, 873803), (301, 862191), (387, 670593), (473, 548667), (693, 374487), (903, 287397), (1161, 223531), (1419, 182889), (2079, 124829), (2709, 95799), (2903, 89397), (3311, 78381), (4257, 60963), (8127, 31933), (8709, 29799), (9933, 26127), (12771, 20321)]