809331383

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{31223}}^1$

素因数の和:31283

約数の個数: 18

約数和(自身を含む): 984211704

約数和(自身を除く): 174880321

約数列:

[1, 7, 23, 49, 161, 529, 1127, 3703, 25921, 31223, 218561, 718129, 1529927, 5026903, 16516967, 35188321, 115618769, 809331383]

約数ペア:

[(1, 809331383), (7, 115618769), (23, 35188321), (49, 16516967), (161, 5026903), (529, 1529927), (1127, 718129), (3703, 218561), (25921, 31223)]