205657245

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89611}}^1$

素因数の和:89642

約数の個数: 32

約数和(自身を含む): 387123840

約数和(自身を除く): 181466595

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 89611, 268833, 448055, 806499, 1344165, 1523387, 2419497, 4032495, 4570161, 7616935, 12097485, 13710483, 22850805, 41131449, 68552415, 205657245]

約数ペア:

[(1, 205657245), (3, 68552415), (5, 41131449), (9, 22850805), (15, 13710483), (17, 12097485), (27, 7616935), (45, 4570161), (51, 4032495), (85, 2419497), (135, 1523387), (153, 1344165), (255, 806499), (459, 448055), (765, 268833), (2295, 89611)]