2009281309

素因数分解:

$7^3\times {\mathrm{199}}^1\times {\mathrm{29437}}^1$

素因数の和:29657

約数の個数: 16

約数和(自身を含む): 2355040000

約数和(自身を除く): 345758691

約数列:

[1, 7, 49, 199, 343, 1393, 9751, 29437, 68257, 206059, 1442413, 5857963, 10096891, 41005741, 287040187, 2009281309]

約数ペア:

[(1, 2009281309), (7, 287040187), (49, 41005741), (199, 10096891), (343, 5857963), (1393, 1442413), (9751, 206059), (29437, 68257)]