2028123027

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{161771}}^1$

素因数の和:161983

約数の個数: 24

約数和(自身を含む): 3364857600

約数和(自身を除く): 1336734573

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4179, 12537, 161771, 485313, 1132397, 1455939, 3397191, 10191573, 32192429, 96577287, 225347003, 289731861, 676041009, 2028123027]

約数ペア:

[(1, 2028123027), (3, 676041009), (7, 289731861), (9, 225347003), (21, 96577287), (63, 32192429), (199, 10191573), (597, 3397191), (1393, 1455939), (1791, 1132397), (4179, 485313), (12537, 161771)]