1806321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{431}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 2654208

約数和(自身を除く): 847887

約数列:

[1, 3, 11, 33, 127, 381, 431, 1293, 1397, 4191, 4741, 14223, 54737, 164211, 602107, 1806321]

約数ペア:

[(1, 1806321), (3, 602107), (11, 164211), (33, 54737), (127, 14223), (381, 4741), (431, 4191), (1293, 1397)]