390532755

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{66587}}^1$

素因数の和:66635

約数の個数: 32

約数和(自身を含む): 690384384

約数和(自身を除く): 299851629

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 5865, 66587, 199761, 332935, 998805, 1131979, 1531501, 3395937, 4594503, 5659895, 7657505, 16979685, 22972515, 26035517, 78106551, 130177585, 390532755]

約数ペア:

[(1, 390532755), (3, 130177585), (5, 78106551), (15, 26035517), (17, 22972515), (23, 16979685), (51, 7657505), (69, 5659895), (85, 4594503), (115, 3395937), (255, 1531501), (345, 1131979), (391, 998805), (1173, 332935), (1955, 199761), (5865, 66587)]