2129391

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 3401424

約数和(自身を除く): 1272033

約数列:

[1, 3, 9, 11, 33, 99, 137, 157, 411, 471, 1233, 1413, 1507, 1727, 4521, 5181, 13563, 15543, 21509, 64527, 193581, 236599, 709797, 2129391]

約数ペア:

[(1, 2129391), (3, 709797), (9, 236599), (11, 193581), (33, 64527), (99, 21509), (137, 15543), (157, 13563), (411, 5181), (471, 4521), (1233, 1727), (1413, 1507)]