2191293

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{2081}}^1$

素因数の和:2106

約数の個数: 20

約数和(自身を含む): 3526908

約数和(自身を除く): 1335615

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 2081, 6243, 18729, 27053, 56187, 81159, 168561, 243477, 730431, 2191293]

約数ペア:

[(1, 2191293), (3, 730431), (9, 243477), (13, 168561), (27, 81159), (39, 56187), (81, 27053), (117, 18729), (351, 6243), (1053, 2081)]