28707609

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25793}}^1$

素因数の和:25856

約数の個数: 16

約数和(自身を含む): 44572032

約数和(自身を除く): 15864423

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 25793, 77379, 180551, 541653, 1367029, 4101087, 9569203, 28707609]

約数ペア:

[(1, 28707609), (3, 9569203), (7, 4101087), (21, 1367029), (53, 541653), (159, 180551), (371, 77379), (1113, 25793)]