2820939

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1171}}^1$

素因数の和:1258

約数の個数: 16

約数和(自身を含む): 4162944

約数和(自身を除く): 1342005

約数列:

[1, 3, 11, 33, 73, 219, 803, 1171, 2409, 3513, 12881, 38643, 85483, 256449, 940313, 2820939]

約数ペア:

[(1, 2820939), (3, 940313), (11, 256449), (33, 85483), (73, 38643), (219, 12881), (803, 3513), (1171, 2409)]