28991067

素因数分解:

$3^1\times 7^1\times {\mathrm{881}}^1\times {\mathrm{1567}}^1$

素因数の和:2458

約数の個数: 16

約数和(自身を含む): 44255232

約数和(自身を除く): 15264165

約数列:

[1, 3, 7, 21, 881, 1567, 2643, 4701, 6167, 10969, 18501, 32907, 1380527, 4141581, 9663689, 28991067]

約数ペア:

[(1, 28991067), (3, 9663689), (7, 4141581), (21, 1380527), (881, 32907), (1567, 18501), (2643, 10969), (4701, 6167)]