3878901

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 6357120

約数和(自身を除く): 2478219

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 257, 351, 387, 559, 771, 1161, 1677, 2313, 3341, 5031, 6939, 10023, 11051, 15093, 30069, 33153, 90207, 99459, 143663, 298377, 430989, 1292967, 3878901]

約数ペア:

[(1, 3878901), (3, 1292967), (9, 430989), (13, 298377), (27, 143663), (39, 99459), (43, 90207), (117, 33153), (129, 30069), (257, 15093), (351, 11051), (387, 10023), (559, 6939), (771, 5031), (1161, 3341), (1677, 2313)]