218772019989

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{643}}^1\times {\mathrm{340577}}^1$

素因数の和:341266

約数の個数: 32

約数和(自身を含む): 333384992640

約数和(自身を除く): 114612972651

約数列:

[1, 3, 9, 27, 37, 111, 333, 643, 999, 1929, 5787, 17361, 23791, 71373, 214119, 340577, 642357, 1021731, 3065193, 9195579, 12601349, 37804047, 113412141, 218991011, 340236423, 656973033, 1970919099, 5912757297, 8102667407, 24308002221, 72924006663, 218772019989]

約数ペア:

[(1, 218772019989), (3, 72924006663), (9, 24308002221), (27, 8102667407), (37, 5912757297), (111, 1970919099), (333, 656973033), (643, 340236423), (999, 218991011), (1929, 113412141), (5787, 37804047), (17361, 12601349), (23791, 9195579), (71373, 3065193), (214119, 1021731), (340577, 642357)]