18332517

素因数分解:

$3^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{401}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 28596672

約数和(自身を除く): 10264155

約数列:

[1, 3, 7, 21, 49, 147, 311, 401, 933, 1203, 2177, 2807, 6531, 8421, 15239, 19649, 45717, 58947, 124711, 374133, 872977, 2618931, 6110839, 18332517]

約数ペア:

[(1, 18332517), (3, 6110839), (7, 2618931), (21, 872977), (49, 374133), (147, 124711), (311, 58947), (401, 45717), (933, 19649), (1203, 15239), (2177, 8421), (2807, 6531)]