80491719

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 143769600

約数和(自身を除く): 63277881

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 103, 119, 187, 199, 231, 309, 357, 561, 597, 721, 1133, 1309, 1393, 1751, 2163, 2189, 3383, 3399, 3927, 4179, 5253, 6567, 7931, 10149, 12257, 15323, 19261, 20497, 23681, 23793, 36771, 37213, 45969, 57783, 61491, 71043, 111639, 134827, 143479, 225467, 260491, 348449, 404481, 430437, 676401, 781473, 1045347, 1578269, 2439143, 3832939, 4734807, 7317429, 11498817, 26830573, 80491719]

約数ペア:

[(1, 80491719), (3, 26830573), (7, 11498817), (11, 7317429), (17, 4734807), (21, 3832939), (33, 2439143), (51, 1578269), (77, 1045347), (103, 781473), (119, 676401), (187, 430437), (199, 404481), (231, 348449), (309, 260491), (357, 225467), (561, 143479), (597, 134827), (721, 111639), (1133, 71043), (1309, 61491), (1393, 57783), (1751, 45969), (2163, 37213), (2189, 36771), (3383, 23793), (3399, 23681), (3927, 20497), (4179, 19261), (5253, 15323), (6567, 12257), (7931, 10149)]