663940017

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{1891567}}^1$

素因数の和:1891589

約数の個数: 16

約数和(自身を含む): 1059278080

約数和(自身を除く): 395338063

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 1891567, 5674701, 17024103, 24590371, 51072309, 73771113, 221313339, 663940017]

約数ペア:

[(1, 663940017), (3, 221313339), (9, 73771113), (13, 51072309), (27, 24590371), (39, 17024103), (117, 5674701), (351, 1891567)]