28240641

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21943}}^1$

素因数の和:21973

約数の個数: 24

約数和(自身を含む): 47925696

約数和(自身を除く): 19685055

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 21943, 65829, 197487, 241373, 285259, 724119, 855777, 2172357, 2567331, 3137849, 9413547, 28240641]

約数ペア:

[(1, 28240641), (3, 9413547), (9, 3137849), (11, 2567331), (13, 2172357), (33, 855777), (39, 724119), (99, 285259), (117, 241373), (143, 197487), (429, 65829), (1287, 21943)]