2790021

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{5503}}^1$

素因数の和:5532

約数の個数: 12

約数和(自身を含む): 4028928

約数和(自身を除く): 1238907

約数列:

[1, 3, 13, 39, 169, 507, 5503, 16509, 71539, 214617, 930007, 2790021]

約数ペア:

[(1, 2790021), (3, 930007), (13, 214617), (39, 71539), (169, 16509), (507, 5503)]