1971891

素因数分解:

$3^3\times {\mathrm{199}}^1\times {\mathrm{367}}^1$

素因数の和:575

約数の個数: 16

約数和(自身を含む): 2944000

約数和(自身を除く): 972109

約数列:

[1, 3, 9, 27, 199, 367, 597, 1101, 1791, 3303, 5373, 9909, 73033, 219099, 657297, 1971891]

約数ペア:

[(1, 1971891), (3, 657297), (9, 219099), (27, 73033), (199, 9909), (367, 5373), (597, 3303), (1101, 1791)]