28137627

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15401}}^1$

素因数の和:15443

約数の個数: 24

約数和(自身を含む): 48054240

約数和(自身を除く): 19916613

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 15401, 46203, 107807, 138609, 323421, 446629, 970263, 1339887, 3126403, 4019661, 9379209, 28137627]

約数ペア:

[(1, 28137627), (3, 9379209), (7, 4019661), (9, 3126403), (21, 1339887), (29, 970263), (63, 446629), (87, 323421), (203, 138609), (261, 107807), (609, 46203), (1827, 15401)]