2545011

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 4446000

約数和(自身を除く): 1900989

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 87, 147, 199, 203, 261, 441, 597, 609, 1393, 1421, 1791, 1827, 4179, 4263, 5771, 9751, 12537, 12789, 17313, 29253, 40397, 51939, 87759, 121191, 282779, 363573, 848337, 2545011]

約数ペア:

[(1, 2545011), (3, 848337), (7, 363573), (9, 282779), (21, 121191), (29, 87759), (49, 51939), (63, 40397), (87, 29253), (147, 17313), (199, 12789), (203, 12537), (261, 9751), (441, 5771), (597, 4263), (609, 4179), (1393, 1827), (1421, 1791)]