263971737

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{71363}}^1$

素因数の和:71509

約数の個数: 16

約数和(自身を含む): 393929280

約数和(自身を除く): 129957543

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 71363, 214089, 642267, 1926801, 9776731, 29330193, 87990579, 263971737]

約数ペア:

[(1, 263971737), (3, 87990579), (9, 29330193), (27, 9776731), (137, 1926801), (411, 642267), (1233, 214089), (3699, 71363)]