248996943

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41729}}^1$

素因数の和:41768

約数の個数: 32

約数和(自身を含む): 420638400

約数和(自身を除く): 171641457

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 221, 351, 459, 663, 1989, 5967, 41729, 125187, 375561, 542477, 709393, 1126683, 1627431, 2128179, 4882293, 6384537, 9222109, 14646879, 19153611, 27666327, 82998981, 248996943]

約数ペア:

[(1, 248996943), (3, 82998981), (9, 27666327), (13, 19153611), (17, 14646879), (27, 9222109), (39, 6384537), (51, 4882293), (117, 2128179), (153, 1627431), (221, 1126683), (351, 709393), (459, 542477), (663, 375561), (1989, 125187), (5967, 41729)]