203419491

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{193}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 320891520

約数和(自身を除く): 117472029

約数列:

[1, 3, 11, 19, 33, 41, 57, 123, 193, 209, 451, 579, 627, 779, 1353, 1681, 2123, 2337, 3667, 5043, 6369, 7913, 8569, 11001, 18491, 23739, 25707, 31939, 40337, 55473, 87043, 95817, 121011, 150347, 261129, 324433, 351329, 451041, 973299, 1053987, 1653817, 3568763, 4961451, 6164227, 10706289, 18492681, 67806497, 203419491]

約数ペア:

[(1, 203419491), (3, 67806497), (11, 18492681), (19, 10706289), (33, 6164227), (41, 4961451), (57, 3568763), (123, 1653817), (193, 1053987), (209, 973299), (451, 451041), (579, 351329), (627, 324433), (779, 261129), (1353, 150347), (1681, 121011), (2123, 95817), (2337, 87043), (3667, 55473), (5043, 40337), (6369, 31939), (7913, 25707), (8569, 23739), (11001, 18491)]