31086657

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{5087}}^1$

素因数の和:5197

約数の個数: 24

約数和(自身を含む): 51856896

約数和(自身を除く): 20770239

約数列:

[1, 3, 7, 9, 21, 63, 97, 291, 679, 873, 2037, 5087, 6111, 15261, 35609, 45783, 106827, 320481, 493439, 1480317, 3454073, 4440951, 10362219, 31086657]

約数ペア:

[(1, 31086657), (3, 10362219), (7, 4440951), (9, 3454073), (21, 1480317), (63, 493439), (97, 320481), (291, 106827), (679, 45783), (873, 35609), (2037, 15261), (5087, 6111)]