12440259

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{8179}}^1$

素因数の和:8211

約数の個数: 18

約数和(自身を含む): 19460220

約数和(自身を除く): 7019961

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 8179, 24537, 73611, 106327, 318981, 956943, 1382251, 4146753, 12440259]

約数ペア:

[(1, 12440259), (3, 4146753), (9, 1382251), (13, 956943), (39, 318981), (117, 106327), (169, 73611), (507, 24537), (1521, 8179)]