2805561

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1667}}^1$

素因数の和:1701

約数の個数: 24

約数和(自身を含む): 4683744

約数和(自身を除く): 1878183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1667, 1683, 5001, 15003, 18337, 28339, 55011, 85017, 165033, 255051, 311729, 935187, 2805561]

約数ペア:

[(1, 2805561), (3, 935187), (9, 311729), (11, 255051), (17, 165033), (33, 85017), (51, 55011), (99, 28339), (153, 18337), (187, 15003), (561, 5001), (1667, 1683)]