65074815

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{643}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 122365152

約数和(自身を除く): 57290337

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 173, 195, 519, 585, 643, 865, 1557, 1929, 2249, 2595, 3215, 5787, 6747, 7785, 8359, 9645, 11245, 20241, 25077, 28935, 33735, 41795, 75231, 101205, 111239, 125385, 333717, 376155, 556195, 1001151, 1446107, 1668585, 4338321, 5005755, 7230535, 13014963, 21691605, 65074815]

約数ペア:

[(1, 65074815), (3, 21691605), (5, 13014963), (9, 7230535), (13, 5005755), (15, 4338321), (39, 1668585), (45, 1446107), (65, 1001151), (117, 556195), (173, 376155), (195, 333717), (519, 125385), (585, 111239), (643, 101205), (865, 75231), (1557, 41795), (1929, 33735), (2249, 28935), (2595, 25077), (3215, 20241), (5787, 11245), (6747, 9645), (7785, 8359)]