978861

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 1480640

約数和(自身を除く): 501779

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 1321, 3963, 17173, 25099, 51519, 75297, 326287, 978861]

約数ペア:

[(1, 978861), (3, 326287), (13, 75297), (19, 51519), (39, 25099), (57, 17173), (247, 3963), (741, 1321)]