7890891

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:418

約数の個数: 16

約数和(自身を含む): 10752000

約数和(自身を除く): 2861109

約数列:

[1, 3, 127, 139, 149, 381, 417, 447, 17653, 18923, 20711, 52959, 56769, 62133, 2630297, 7890891]

約数ペア:

[(1, 7890891), (3, 2630297), (127, 62133), (139, 56769), (149, 52959), (381, 20711), (417, 18923), (447, 17653)]