2520297

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{1657}}^1$

素因数の和:1689

約数の個数: 18

約数和(自身を含む): 3944382

約数和(自身を除く): 1424085

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 1657, 4971, 14913, 21541, 64623, 193869, 280033, 840099, 2520297]

約数ペア:

[(1, 2520297), (3, 840099), (9, 280033), (13, 193869), (39, 64623), (117, 21541), (169, 14913), (507, 4971), (1521, 1657)]