16931109

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 26024320

約数和(自身を除く): 9093211

約数列:

[1, 3, 13, 19, 39, 57, 73, 219, 247, 313, 741, 939, 949, 1387, 2847, 4069, 4161, 5947, 12207, 17841, 18031, 22849, 54093, 68547, 77311, 231933, 297037, 434131, 891111, 1302393, 5643703, 16931109]

約数ペア:

[(1, 16931109), (3, 5643703), (13, 1302393), (19, 891111), (39, 434131), (57, 297037), (73, 231933), (219, 77311), (247, 68547), (313, 54093), (741, 22849), (939, 18031), (949, 17841), (1387, 12207), (2847, 5947), (4069, 4161)]