13740021

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{4229}}^1$

素因数の和:4273

約数の個数: 18

約数和(自身を含む): 20951190

約数和(自身を除く): 7211169

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 4229, 12687, 38061, 80351, 241053, 723159, 1526669, 4580007, 13740021]

約数ペア:

[(1, 13740021), (3, 4580007), (9, 1526669), (19, 723159), (57, 241053), (171, 80351), (361, 38061), (1083, 12687), (3249, 4229)]