3988791

素因数分解:

$3^3\times {\mathrm{241}}^1\times {\mathrm{613}}^1$

素因数の和:863

約数の個数: 16

約数和(自身を含む): 5943520

約数和(自身を除く): 1954729

約数列:

[1, 3, 9, 27, 241, 613, 723, 1839, 2169, 5517, 6507, 16551, 147733, 443199, 1329597, 3988791]

約数ペア:

[(1, 3988791), (3, 1329597), (9, 443199), (27, 147733), (241, 16551), (613, 6507), (723, 5517), (1839, 2169)]