13681577

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 18251520

約数和(自身を除く): 4569943

約数列:

[1, 7, 13, 19, 41, 91, 133, 193, 247, 287, 533, 779, 1351, 1729, 2509, 3667, 3731, 5453, 7913, 10127, 17563, 25669, 47671, 55391, 70889, 102869, 150347, 333697, 720083, 1052429, 1954511, 13681577]

約数ペア:

[(1, 13681577), (7, 1954511), (13, 1052429), (19, 720083), (41, 333697), (91, 150347), (133, 102869), (193, 70889), (247, 55391), (287, 47671), (533, 25669), (779, 17563), (1351, 10127), (1729, 7913), (2509, 5453), (3667, 3731)]