289092807

素因数分解:

$3^4\times {\mathrm{1667}}^1\times {\mathrm{2141}}^1$

素因数の和:3820

約数の個数: 20

約数和(自身を含む): 432315576

約数和(自身を除く): 143222769

約数列:

[1, 3, 9, 27, 81, 1667, 2141, 5001, 6423, 15003, 19269, 45009, 57807, 135027, 173421, 3569047, 10707141, 32121423, 96364269, 289092807]

約数ペア:

[(1, 289092807), (3, 96364269), (9, 32121423), (27, 10707141), (81, 3569047), (1667, 173421), (2141, 135027), (5001, 57807), (6423, 45009), (15003, 19269)]