81559908

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{17839}}^1$

素因数の和:17976

約数の個数: 36

約数和(自身を含む): 207800320

約数和(自身を除く): 126240412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4572, 17839, 35678, 53517, 71356, 107034, 160551, 214068, 321102, 642204, 2265553, 4531106, 6796659, 9062212, 13593318, 20389977, 27186636, 40779954, 81559908]

約数ペア:

[(1, 81559908), (2, 40779954), (3, 27186636), (4, 20389977), (6, 13593318), (9, 9062212), (12, 6796659), (18, 4531106), (36, 2265553), (127, 642204), (254, 321102), (381, 214068), (508, 160551), (762, 107034), (1143, 71356), (1524, 53517), (2286, 35678), (4572, 17839)]