66978171

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{63607}}^1$

素因数の和:63632

約数の個数: 20

約数和(自身を含む): 107751952

約数和(自身を除く): 40773781

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 63607, 190821, 572463, 826891, 1717389, 2480673, 5152167, 7442019, 22326057, 66978171]

約数ペア:

[(1, 66978171), (3, 22326057), (9, 7442019), (13, 5152167), (27, 2480673), (39, 1717389), (81, 826891), (117, 572463), (351, 190821), (1053, 63607)]