28821849

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2203}}^1$

素因数の和:2309

約数の個数: 24

約数和(自身を含む): 45226080

約数和(自身を除く): 16404231

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1869, 2203, 4361, 6609, 13083, 15421, 46263, 107947, 196067, 323841, 588201, 1372469, 4117407, 9607283, 28821849]

約数ペア:

[(1, 28821849), (3, 9607283), (7, 4117407), (21, 1372469), (49, 588201), (89, 323841), (147, 196067), (267, 107947), (623, 46263), (1869, 15421), (2203, 13083), (4361, 6609)]