205125531

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{2381}}^1$

素因数の和:2491

約数の個数: 24

約数和(自身を含む): 301065744

約数和(自身を除く): 95940213

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 2209, 2381, 6627, 7143, 28717, 30953, 86151, 92859, 111907, 335721, 1454791, 4364373, 5259629, 15778887, 68375177, 205125531]

約数ペア:

[(1, 205125531), (3, 68375177), (13, 15778887), (39, 5259629), (47, 4364373), (141, 1454791), (611, 335721), (1833, 111907), (2209, 92859), (2381, 86151), (6627, 30953), (7143, 28717)]