1985391

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:332

約数の個数: 20

約数和(自身を含む): 3004672

約数和(自身を除く): 1019281

約数列:

[1, 3, 9, 27, 81, 127, 193, 381, 579, 1143, 1737, 3429, 5211, 10287, 15633, 24511, 73533, 220599, 661797, 1985391]

約数ペア:

[(1, 1985391), (3, 661797), (9, 220599), (27, 73533), (81, 24511), (127, 15633), (193, 10287), (381, 5211), (579, 3429), (1143, 1737)]