217966995

素因数分解:

$3^2\times 5^1\times {\mathrm{1823}}^1\times {\mathrm{2657}}^1$

素因数の和:4491

約数の個数: 24

約数和(自身を含む): 378158976

約数和(自身を除く): 160191981

約数列:

[1, 3, 5, 9, 15, 45, 1823, 2657, 5469, 7971, 9115, 13285, 16407, 23913, 27345, 39855, 82035, 119565, 4843711, 14531133, 24218555, 43593399, 72655665, 217966995]

約数ペア:

[(1, 217966995), (3, 72655665), (5, 43593399), (9, 24218555), (15, 14531133), (45, 4843711), (1823, 119565), (2657, 82035), (5469, 39855), (7971, 27345), (9115, 23913), (13285, 16407)]