28783629

素因数分解:

$3^2\times 7^2\times {\mathrm{65269}}^1$

素因数の和:65289

約数の個数: 18

約数和(自身を含む): 48365070

約数和(自身を除く): 19581441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 65269, 195807, 456883, 587421, 1370649, 3198181, 4111947, 9594543, 28783629]

約数ペア:

[(1, 28783629), (3, 9594543), (7, 4111947), (9, 3198181), (21, 1370649), (49, 587421), (63, 456883), (147, 195807), (441, 65269)]