40369581

素因数分解:

$3^2\times 7^2\times {\mathrm{91541}}^1$

素因数の和:91561

約数の個数: 18

約数和(自身を含む): 67832622

約数和(自身を除く): 27463041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 91541, 274623, 640787, 823869, 1922361, 4485509, 5767083, 13456527, 40369581]

約数ペア:

[(1, 40369581), (3, 13456527), (7, 5767083), (9, 4485509), (21, 1922361), (49, 823869), (63, 640787), (147, 274623), (441, 91541)]