40178781

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{1087}}^1$

素因数の和:1170

約数の個数: 24

約数和(自身を含む): 61232640

約数和(自身を除く): 21053859

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 1087, 1369, 3261, 4107, 9783, 12321, 29349, 36963, 40219, 120657, 361971, 1085913, 1488103, 4464309, 13392927, 40178781]

約数ペア:

[(1, 40178781), (3, 13392927), (9, 4464309), (27, 1488103), (37, 1085913), (111, 361971), (333, 120657), (999, 40219), (1087, 36963), (1369, 29349), (3261, 12321), (4107, 9783)]