2987361

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{2837}}^1$

素因数の和:2862

約数の個数: 20

約数和(自身を含む): 4807572

約数和(自身を除く): 1820211

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 2837, 8511, 25533, 36881, 76599, 110643, 229797, 331929, 995787, 2987361]

約数ペア:

[(1, 2987361), (3, 995787), (9, 331929), (13, 229797), (27, 110643), (39, 76599), (81, 36881), (117, 25533), (351, 8511), (1053, 2837)]