2912949

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 4780160

約数和(自身を除く): 1867211

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 193, 351, 387, 559, 579, 1161, 1677, 1737, 2509, 5031, 5211, 7527, 8299, 15093, 22581, 24897, 67743, 74691, 107887, 224073, 323661, 970983, 2912949]

約数ペア:

[(1, 2912949), (3, 970983), (9, 323661), (13, 224073), (27, 107887), (39, 74691), (43, 67743), (117, 24897), (129, 22581), (193, 15093), (351, 8299), (387, 7527), (559, 5211), (579, 5031), (1161, 2509), (1677, 1737)]