20760129

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{13649}}^1$

素因数の和:13681

約数の個数: 18

約数和(自身を含む): 32473350

約数和(自身を除く): 11713221

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 13649, 40947, 122841, 177437, 532311, 1596933, 2306681, 6920043, 20760129]

約数ペア:

[(1, 20760129), (3, 6920043), (9, 2306681), (13, 1596933), (39, 532311), (117, 177437), (169, 122841), (507, 40947), (1521, 13649)]