1921743

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 2964000

約数和(自身を除く): 1042257

約数列:

[1, 3, 9, 29, 37, 87, 111, 199, 261, 333, 597, 1073, 1791, 3219, 5771, 7363, 9657, 17313, 22089, 51939, 66267, 213527, 640581, 1921743]

約数ペア:

[(1, 1921743), (3, 640581), (9, 213527), (29, 66267), (37, 51939), (87, 22089), (111, 17313), (199, 9657), (261, 7363), (333, 5771), (597, 3219), (1073, 1791)]