81727965

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4027}}^1$

素因数の和:4090

約数の個数: 48

約数和(自身を含む): 158348736

約数和(自身を除く): 76620771

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 123, 165, 205, 369, 451, 495, 615, 1353, 1845, 2255, 4027, 4059, 6765, 12081, 20135, 20295, 36243, 44297, 60405, 132891, 165107, 181215, 221485, 398673, 495321, 664455, 825535, 1485963, 1816177, 1993365, 2476605, 5448531, 7429815, 9080885, 16345593, 27242655, 81727965]

約数ペア:

[(1, 81727965), (3, 27242655), (5, 16345593), (9, 9080885), (11, 7429815), (15, 5448531), (33, 2476605), (41, 1993365), (45, 1816177), (55, 1485963), (99, 825535), (123, 664455), (165, 495321), (205, 398673), (369, 221485), (451, 181215), (495, 165107), (615, 132891), (1353, 60405), (1845, 44297), (2255, 36243), (4027, 20295), (4059, 20135), (6765, 12081)]