2928891

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 4491008

約数和(自身を除く): 1562117

約数列:

[1, 3, 7, 21, 211, 633, 661, 1477, 1983, 4431, 4627, 13881, 139471, 418413, 976297, 2928891]

約数ペア:

[(1, 2928891), (3, 976297), (7, 418413), (21, 139471), (211, 13881), (633, 4627), (661, 4431), (1477, 1983)]