205121565

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1123}}^1$

素因数の和:1192

約数の個数: 80

約数和(自身を含む): 411276096

約数和(自身を除く): 206154531

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 41, 45, 55, 81, 99, 123, 135, 165, 205, 297, 369, 405, 451, 495, 615, 891, 1107, 1123, 1353, 1485, 1845, 2255, 3321, 3369, 4059, 4455, 5535, 5615, 6765, 10107, 12177, 12353, 16605, 16845, 20295, 30321, 36531, 37059, 46043, 50535, 60885, 61765, 90963, 111177, 138129, 151605, 182655, 185295, 230215, 333531, 414387, 454815, 506473, 555885, 690645, 1000593, 1243161, 1519419, 1667655, 2071935, 2532365, 3729483, 4558257, 5002965, 6215805, 7597095, 13674771, 18647415, 22791285, 41024313, 68373855, 205121565]

約数ペア:

[(1, 205121565), (3, 68373855), (5, 41024313), (9, 22791285), (11, 18647415), (15, 13674771), (27, 7597095), (33, 6215805), (41, 5002965), (45, 4558257), (55, 3729483), (81, 2532365), (99, 2071935), (123, 1667655), (135, 1519419), (165, 1243161), (205, 1000593), (297, 690645), (369, 555885), (405, 506473), (451, 454815), (495, 414387), (615, 333531), (891, 230215), (1107, 185295), (1123, 182655), (1353, 151605), (1485, 138129), (1845, 111177), (2255, 90963), (3321, 61765), (3369, 60885), (4059, 50535), (4455, 46043), (5535, 37059), (5615, 36531), (6765, 30321), (10107, 20295), (12177, 16845), (12353, 16605)]