1909899

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:121

約数の個数: 40

約数和(自身を含む): 3223440

約数和(自身を除く): 1313541

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 73, 81, 153, 171, 219, 323, 459, 513, 657, 969, 1241, 1377, 1387, 1539, 1971, 2907, 3723, 4161, 5913, 8721, 11169, 12483, 23579, 26163, 33507, 37449, 70737, 100521, 112347, 212211, 636633, 1909899]

約数ペア:

[(1, 1909899), (3, 636633), (9, 212211), (17, 112347), (19, 100521), (27, 70737), (51, 37449), (57, 33507), (73, 26163), (81, 23579), (153, 12483), (171, 11169), (219, 8721), (323, 5913), (459, 4161), (513, 3723), (657, 2907), (969, 1971), (1241, 1539), (1377, 1387)]