1213304547

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4444339}}^1$

素因数の和:4444362

約数の個数: 16

約数和(自身を含む): 1991064320

約数和(自身を除く): 777759773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 4444339, 13333017, 31110373, 57776407, 93331119, 173329221, 404434849, 1213304547]

約数ペア:

[(1, 1213304547), (3, 404434849), (7, 173329221), (13, 93331119), (21, 57776407), (39, 31110373), (91, 13333017), (273, 4444339)]