51284571

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 76769280

約数和(自身を除く): 25484709

約数列:

[1, 3, 13, 31, 39, 93, 169, 251, 403, 507, 753, 1209, 2197, 3263, 5239, 6591, 7781, 9789, 15717, 23343, 42419, 68107, 101153, 127257, 204321, 303459, 551447, 1314989, 1654341, 3944967, 17094857, 51284571]

約数ペア:

[(1, 51284571), (3, 17094857), (13, 3944967), (31, 1654341), (39, 1314989), (93, 551447), (169, 303459), (251, 204321), (403, 127257), (507, 101153), (753, 68107), (1209, 42419), (2197, 23343), (3263, 15717), (5239, 9789), (6591, 7781)]