81509183

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{4409}}^1$

素因数の和:4574

約数の個数: 16

約数和(自身を含む): 98784000

約数和(自身を除く): 17274817

約数列:

[1, 7, 19, 133, 139, 973, 2641, 4409, 18487, 30863, 83771, 586397, 612851, 4289957, 11644169, 81509183]

約数ペア:

[(1, 81509183), (7, 11644169), (19, 4289957), (133, 612851), (139, 586397), (973, 83771), (2641, 30863), (4409, 18487)]