1820721

素因数分解:

$3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{313}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 2793344

約数和(自身を除く): 972623

約数列:

[1, 3, 7, 21, 277, 313, 831, 939, 1939, 2191, 5817, 6573, 86701, 260103, 606907, 1820721]

約数ペア:

[(1, 1820721), (3, 606907), (7, 260103), (21, 86701), (277, 6573), (313, 5817), (831, 2191), (939, 1939)]