28976571

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19051}}^1$

素因数の和:19083

約数の個数: 18

約数和(自身を含む): 45324708

約数和(自身を除く): 16348137

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 19051, 57153, 171459, 247663, 742989, 2228967, 3219619, 9658857, 28976571]

約数ペア:

[(1, 28976571), (3, 9658857), (9, 3219619), (13, 2228967), (39, 742989), (117, 247663), (169, 171459), (507, 57153), (1521, 19051)]