28759815

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{13043}}^1$

素因数の和:13068

約数の個数: 36

約数和(自身を含む): 57993624

約数和(自身を除く): 29233809

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 13043, 39129, 65215, 91301, 117387, 195645, 273903, 456505, 586935, 639107, 821709, 1369515, 1917321, 3195535, 4108545, 5751963, 9586605, 28759815]

約数ペア:

[(1, 28759815), (3, 9586605), (5, 5751963), (7, 4108545), (9, 3195535), (15, 1917321), (21, 1369515), (35, 821709), (45, 639107), (49, 586935), (63, 456505), (105, 273903), (147, 195645), (245, 117387), (315, 91301), (441, 65215), (735, 39129), (2205, 13043)]